10x Genomics, Inc. (TXG)

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

You should read the following discussion of our financial condition and results of operations in conjunction with our audited consolidated financial statements and the related notes and other financial information included elsewhere in this Annual Report and our audited consolidated financial statements and notes thereto.

As discussed in the section titled “Special Note Regarding Forward-looking Statements,” the following discussion and analysis, in addition to historical financial information, contains forward-looking statements that involve risks and uncertainties. Our actual results could differ materially from those anticipated in these forward-looking statements as a result of various factors, including those set forth in the section titled “Risk Factors” under Part I, Item 1A above.

Overview

We are a life sciences technology company focused on building innovative products and solutions to interrogate, understand and master biology. Our integrated solutions include instruments, consumables and software for analyzing biological systems at resolution and scale that matches the complexity of biology. Our commercial product portfolio leverages our Chromium instruments and our Visium CytAssist and our Xenium Analyzer, which we refer to as “Spatial instruments,” and our proprietary microfluidic chips, slides, reagents and other consumables for our Chromium, Visium and Xenium solutions, which we refer to as “consumables.” We bundle our software with these products to guide customers through the workflow, from sample preparation through analysis and visualization. Customers purchase instruments and consumables from us for use in their experiments. In addition to instrument and consumable sales, we derive revenue from post-warranty service contracts for our instruments.

Since our inception in 2012, we have incurred net losses in each year. Our net losses were $182.6 million and $255.1 million for the years ended December 31, 2024 and 2023, respectively. As of December 31, 2024, we had an accumulated deficit of $1.5 billion and cash and cash equivalents and marketable securities totaling $393.4 million. We expect to continue to incur significant expenses for the foreseeable future and to incur operating losses in the near term. We expect our expenses will modestly increase in connection with our ongoing activities, including in connection with our efforts to attract, hire and retain qualified personnel.

Key business metrics

We regularly review a number of operating and financial metrics, including cumulative instruments sold and total consumables reactions, to evaluate our business, measure our performance, identify trends affecting our business, formulate financial projections and make strategic decisions. We believe that these metrics are representative of our current business; however, we anticipate these may change or may be substituted for additional or different metrics as our business grows and as we introduce new products or new versions of existing products.

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Cumulative instruments sold

Our products are sold to academic and translational researchers and biopharmaceutical companies. Our Chromium and Visium CytAssist instruments are user installable and do not require in-person training. Our Xenium instrument requires installation and we offer in-person training for its use. We believe cumulative instruments sold is one of the indicators of our ability to drive customer adoption of our products. We define cumulative instruments sold as the cumulative number of Chromium instruments, Visium CytAssists and Xenium Analyzers sold since inception.

Our quarterly instrument unit volumes can fluctuate due to a number of factors, including the procurement and budgeting cycles of many of our customers, especially government and academic institutions where unused funds may be forfeited or future budgets reduced if purchases are not made by their fiscal year end, and the purchasing patterns of international customers which vary due to procurement or budgeting cycles, holidays or other factors which may result in a disproportionate amount of their purchasing activity occurring in specific periods. Similarly, our biopharmaceutical customers typically have calendar year fiscal years which may result in a disproportionate amount of their purchasing activity occurring during our fourth quarter. We also believe the timing of unit sales has been impacted and will continue to be impacted by the timing of product introductions and transitions which can either accelerate or delay demand of existing and new products or new versions of existing products depending on the needs of individual researchers to conclude existing studies or to use capabilities of new products or versions. Also, the timing and magnitude of our price changes can influence quarterly instrument unit volumes. For example, we believe that historical announcements of price increases have caused customers to pull forward purchases of instruments. Conversely, we anticipate that announced price decreases could postpone instrument purchases to future quarters. We therefore believe that an annual representation of cumulative instruments sold is most appropriate for assessing trends in our business.

Total consumables reactions sold

A consumable reaction is the reagent setup needed to perform an experiment using one of our solutions. Reactions represent the unit volumes that we sell when a researcher purchases our consumables. As such, consumable reactions sold is an appropriate metric for assessing trends in our business. The figures in the table above (rounded to the nearest hundred) represent the total consumable reactions, by product platform and in total, for the years ended December 31, 2024, 2023 and 2022.

Key factors affecting our performance

We believe that our financial performance has been and in the foreseeable future will continue to be primarily driven by the following factors. While each of these factors presents significant opportunities for our business, they also pose important challenges that we must successfully address in order to grow and improve our results of operations. Our ability to successfully address the factors below is subject to various risks and uncertainties, including those described under the heading “Risk Factors.”

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Instrument sales

Management focuses on instrument sales as an indicator of current business success and a leading indicator of likely future sales of consumables. We expect the number of cumulative instruments sold to continue to grow as we increase penetration in our existing markets and expand into, or offer new features and solutions that appeal to, new markets.

We plan to grow our instrument sales in the coming years through multiple strategies including expanding our sales efforts globally, adjusting prices for our instruments and continuing to enhance the underlying technology and applications for life sciences research. We regularly solicit feedback from our customers and focus our research and development efforts on enhancing the fleet of 10x instruments and enabling their ability to use additional applications that address their needs, and we believe that these efforts help to drive sales of our instruments and consumables.

Recurring consumable revenue

We regularly assess trends relating to recurring consumable revenue based on our product offerings, our customer base and our understanding of how our customers use our products. We sell additional instruments and launch additional consumables solutions, some of which do not require the use of a 10x instrument, and adjust prices of our consumables to drive increased consumables usage by our existing customers and to gain new customers. Consumables revenue on an absolute basis is expected to increase over time and remain the bulk of our revenue.

Pricing changes

We believe that price changes can affect purchasing decisions by our customers and potential customers. We believe that lowering prices for our products can unlock elasticity of demand and increase purchases of both instruments and consumables. We expect to lower prices for certain of our products in 2025 and expect sales of our instruments and consumables to increase over time as a result of introducing lower prices for our instruments and consumables.

Revenue mix and gross margin

Our revenue is derived from sales of our instruments, consumables and services. There have been fluctuations in the mix between instruments and consumables and amongst our consumables. Each of our consumables solutions is designed to allow researchers to study a different aspect of biology, such as RNA, protein or epigenetics, at a resolution and scale that may be impractical or impossible using previously existing tools. As each of our solutions has been introduced, they have been initially purchased by a small number of early adopters. As these early adopters successfully perform experiments and publish scientific articles using our solutions, the utility of these solutions is more broadly understood and the solutions are then subsequently adopted by the larger research community. The revenue contribution from these and other consumable products has varied and is expected to vary on a quarterly basis due to several factors, including the publication of scientific papers demonstrating the value of the consumables, the availability of grants to fund research, budgetary timing, our introduction of new product features or configurations and new consumables offerings and our own manufacturing capacity or the capacity of our partners. For each of the years ended December 31, 2024, 2023 and 2022, our Chromium Universal Gene Expression consumables were our highest selling consumables products.

Our margins are generally higher for those instruments and consumables that we sell directly to customers as compared to those that we sell through distributors. We expect the mix of direct sales as compared to sales through distributors to remain relatively constant in the near term.

We expect our gross margin to trend lower due in part to change in product mix with newly introduced products and product versions, lower prices of our products and the impacts of inflation including, among other impacts, employee compensation and benefits and increased supply chain costs.

Continued investment in growth

Historically, our revenue growth has been driven by the development of new solutions and quick adoption of our solutions by our customer base. We intend to continue to make focused investments to support the growth of our business and therefore expect expenses to increase. Excluding acquisitions, we do not expect our operating expenditures to meaningfully increase in 2025. As cost of revenue, operating expenses and capital expenditures fluctuate over time, we may experience short-term, negative impacts to our results of operations and cash flows, but we are undertaking such investments in the belief that they will contribute to long-term growth.

Acquisitions of key technologies

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We have made, and intend to continue to make, investments that meet management’s criteria to expand or add key technologies that we believe will facilitate the commercialization of new products and new versions of existing products in the future. Such investments could take the form of an acquisition of a business, asset acquisition or the exclusive or non-exclusive in-license of intellectual property rights. Any such acquisitions we make may affect our future financial results. While we have not previously entered into material joint-development, partnership or joint-venture agreements, we may in the future decide to do so and any such arrangements may limit our rights and the commercial opportunities of any jointly developed technology.

Components of Results of Operations

Revenue

We generate virtually all of our revenue through the sale of our instruments and consumables to customers. We also generate a small portion of our revenue from instrument service agreements which relate to extended warranties. Our revenue is subject to fluctuation based on the foreign currency in which our products are sold, principally for sales denominated in the euro, Great British pound and Japanese yen.

Our revenue from consumables includes sales of our Chromium, Visium and Xenium consumable products. Our consumables are designed to work exclusively with our instruments. Our Chromium, Xenium and Visium consumables require the use of a 10x Genomics instrument, with the exception of our Spatial Gene Expression v1 solution. Our instruments and consumables are generally sold without the right of return. Revenue is recognized as instruments and consumables are shipped. Revenue is recognized net of any sales incentive, distributor rebates and commissions and any taxes collected from customers. Instrument service agreements are typically entered into for a one-year term, with the coverage period beginning after the expiration of the standard one-year warranty period. Revenue from the sale of instrument service agreements are recognized ratably over the coverage period.

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Cost of revenue, gross profit and gross margin

Cost of revenue. Cost of revenue primarily consists of manufacturing costs incurred in the production process including personnel and related costs, costs of component materials, manufacturing overhead, packaging and delivery costs and allocated costs including facilities and information technology. In addition, cost of revenue includes royalty costs for licensed technologies included in our products, warranty costs, provisions for slow-moving and obsolete inventory and personnel and related costs and component costs incurred in connection with our obligations under our instrument service agreements. When applicable, we record royalty accruals relating to sales of our products as cost of revenue.

Gross profit/gross margin. Gross profit is calculated as revenue less cost of revenue. Gross margin is gross profit expressed as a percentage of revenue. Our gross profit and gross margins in future periods are expected to fluctuate from quarter to quarter and will depend on a variety of factors, including: market conditions that may impact our pricing; sales mix changes among consumables, instruments and services; product mix changes between established products and new products and new versions of existing products; impacts of inflation and increased supply chain costs; excess and obsolete inventories; royalties; our cost structure for manufacturing operations relative to volume; and product warranty obligations. We currently anticipate that we will experience an increase in absolute dollars of both revenue and cost of revenue as we grow our business.

Research and development. Research and development expense primarily consists of personnel and related costs, independent contractor costs, laboratory supplies, equipment maintenance prototype and materials expenses, amortization of developed technology and intangibles and allocated costs including facilities and information technology.

We plan to continue to modestly invest in our research and development efforts to enhance existing products and develop new products and new versions of existing products. As a result of these and other initiatives, we expect research and development expense will modestly increase in absolute dollars in future periods and vary from period to period as a percentage of revenue.

In-process research and development. In-process research and development consists of costs incurred to acquire intellectual property for research and development. We expect these costs to be recognized, in most cases, only in periods during which we complete an acquisition of assets comprised in whole or part of intellectual property for research and development. We periodically evaluate acquisitions of this nature.

Selling, general and administrative. Selling, general and administrative expense primarily consists of costs related to the selling and marketing of our products, including sales incentives and advertising expenses and costs associated with our finance, accounting, legal, human resources and administrative personnel. Related costs associated with these functions, such as attorney and accounting fees, recruiting services, administrative services, insurance, public relations and communication activities, marketing programs and trade show appearances, travel, customer service costs, safety equipment purchases and cleaning and allocated costs including facilities and information technology, are also included in selling, general and administrative expenses.

We expect to incur additional selling, general and administrative expenses due to continued investment in our sales, marketing and customer service efforts to support the anticipated growth of our business. We expect infrastructure costs including allocated facilities and information technology costs to remain flat in absolute dollars. As a result of these and other initiatives, we expect selling, general and administrative expenses to vary from period to period as a percentage of revenue and increase in absolute dollars in future periods. We expect our stock-based compensation expense allocated to cost of revenue, research and development expenses and selling, general and administrative expenses to decrease in absolute dollars.

Interest income

Interest income consists of interest earned on our cash and cash equivalents which are invested in bank deposits, money market funds and marketable securities.

Other income (expense), net

Other income (expense), net primarily consists of realized and unrealized gains and losses related to foreign exchange rate remeasurements.

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Provision for income taxes

Our provision for income taxes consists primarily of foreign taxes. As we expand the scale and scope of our international business activities, any changes in the U.S. and foreign taxation of such activities may increase our overall provision for income taxes in the future.

As of December 31, 2024, we had federal net operating loss (“NOL”) carryforwards of $638.7 million and federal tax credit carryforwards of $88.5 million. Our federal NOLs generated after December 31, 2017, which total $632.9 million, are carried forward indefinitely, while all of our other federal NOL and tax credit carryforwards expire beginning in 2033. As of December 31, 2024, we had state NOL carryforwards of $424.5 million, which primarily expire beginning in 2033. In addition, we had state tax credit carryforwards of $68.3 million, which carry forward indefinitely. Our ability to utilize such carryforwards for income tax savings is subject to certain conditions and may be subject to certain limitations in the future due to ownership changes. As such, there can be no assurance that we will be able to utilize such carryforwards. We have experienced a history of losses and a lack of future taxable income would adversely affect our ability to utilize these NOL and tax credit carryforwards. We currently maintain a full valuation allowance against these tax assets.

Results of Operations

In this section, we discuss the results of our operations for the year ended December 31, 2024 compared to the year ended December 31, 2023. For a discussion of the year ended December 31, 2023 compared to the year ended December 31, 2022, please refer to Part II, Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2023.

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Revenue

Revenue decreased $7.9 million, or 1%, for the year ended December 31, 2024 as compared to the year ended December 31, 2023. Instruments revenue decreased $30.8 million, or 25%, to $92.7 million for the year ended December 31, 2024 as compared to the year ended December 31, 2023, primarily due to lower volume of Chromium and Spatial instruments sold. Consumables revenue increased $13.9 million, or 3%, to $493.4 million for the year ended December 31, 2024 as compared to the year ended December 31, 2023, primarily driven by growth in Spatial consumables sales, partially offset by lower Chromium consumables sales due primarily to price decreases and changes in product mix. Service revenue increased $8.9 million, or 57%, for the year ended December 31, 2024 as compared to year ended December 31, 2023, primarily driven by increased service plans for both Chromium and Spatial instruments.

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Cost of Revenue, Gross Profit and Gross Margin

Cost of revenue decreased $13.1 million, or 6%, for the year ended December 31, 2024 as compared to the year ended December 31, 2023. The decrease was primarily driven by lower manufacturing costs of $22.6 million due to decreased sales and change in product mix, partially offset by higher royalties of $9.8 million.

Operating Expenses

Research and development expense decreased $5.6 million, or 2%, for the year ended December 31, 2024 as compared to the year ended December 31, 2023. The decrease was primarily driven by a decrease in allocated costs for facilities and information technology of $2.7 million, a decrease in personnel expenses of $2.5 million, including a $6.5 million reduction in stock-based compensation expense, a decrease in depreciation and amortization of $1.4 million, partially offset by an increase in other expenses of $0.8 million.

In-process research and development expense recorded during the year ended December 31, 2023 related to the January 2023 agreement to acquire certain intangible and other assets from Centrillion Technologies, Inc. and Centrillion Technology Holdings Corp. which was accounted for as an asset acquisition. In connection with the acquisition, we recognized an in-process research and development intangible asset of $61.0 million which did not have alternative future use and therefore was recognized as an expense during the period. See Note 4 to the consolidated financial statements for further details. There were no similar purchases in year ended December 31, 2024.

Selling, general and administrative expenses increased $1.0 million, or 0.3%, for the year ended December 31, 2024 as compared to the year ended December 31, 2023. The increase was primarily driven by an increase in outside legal expenses of $21.2 million, an increase in allocated costs for facilities and information technology to support operational expansion of $1.7 million, partially offset by a decrease in personnel expenses of $18.6 million, including a $21 million reduction in stock-based compensation expense, and a decrease in other expenses of $4.4 million.

Excluding acquisitions, we do not expect our operating expenditures to meaningfully increase in 2025.

Other Income (Expense), Net

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Interest income increased by $1.5 million for the year ended December 31, 2024 as compared to the year ended December 31, 2023. The increase was primarily due to interest income generated from our investments in marketable securities and an increase in interest rates during the year ended December 31, 2024.

Other expense, net increased by $1.3 million for the year ended December 31, 2024 as compared to the year ended December 31, 2023 and was driven by realized and unrealized losses from foreign currency rate measurement fluctuations.

Provision for Income Taxes

The Company’s provision for income taxes was $4.9 million and $6.3 million, respectively, for the years ended December 31, 2024 and 2023. The provision for income taxes decreased by $1.4 million for the year ended December 31, 2024 as compared to the year ended December 31, 2023. The decrease was primarily due to lower foreign income.

Liquidity and Capital Resources

As of December 31, 2024, we had approximately $393.4 million in cash and cash equivalents, and marketable securities which were primarily held in U.S. banks. We have generated negative cumulative cash flows from operations since inception through the year ended December 31, 2024, and we have generated losses from operations since inception as reflected in our accumulated deficit of $1.5 billion.

We currently anticipate making aggregate capital expenditures of between approximately $12 million and $17 million during the next 12 months, which we expect to include, among other expenditures, equipment to be used for manufacturing and research and development.

Our future capital requirements will depend on many factors including our revenue growth rate, research and development efforts, investments in or acquisitions of complementary or enhancing technologies or businesses, the timing and extent of additional capital expenditures to invest in existing and new facilities, the expansion of sales and marketing and international activities, legal costs associated with defending and enforcing intellectual property rights and the introduction of new products and new versions of existing products.

We take a long-term view in growing and scaling our business and we regularly review acquisition and investment opportunities, and we may in the future enter into arrangements to acquire or invest in businesses, services and technologies, including intellectual property rights, and any such acquisitions or investments could significantly increase our capital needs. We regularly review opportunities that meet our long-term growth objectives.

In January 2023, we signed an agreement to acquire certain intangible and other assets from Centrillion Technologies, Inc. and Centrillion Technology Holdings Corp. for an upfront cash payment of $10.0 million relating to an intellectual property license. Upon the close of the transaction on July 14, 2023, we paid additional cash consideration of $10.0 million upon acquiring the assets. Under the agreement, we are obligated to provide additional cash consideration if certain technology development milestones are met. As of December 31, 2024, we have paid $41.3 million relating to the completion of development milestones. Up to $15.0 million of cash consideration is due if an additional technology development milestone is met. Furthermore, we expect to pay cash consideration tied to future sales milestones if such milestones are met.

We expect to continue to incur operating losses for the foreseeable future. We believe that our existing cash and cash equivalents and cash generated from sales of our products will be sufficient to meet our anticipated cash needs for at least the next 12 months. However, our liquidity assumptions may prove to be incorrect, and we could exhaust our available financial resources sooner than we currently expect. We maintain the majority of our cash and cash equivalents in accounts with major U.S. and multi-national financial institutions, and our deposits at these institutions exceed insured limits. Market conditions can impact the viability of these institutions. In the event of failure of any of the financial institutions where we maintain our cash and cash equivalents, there can be no assurance that we would be able to access uninsured funds in a timely manner or at all. Any inability to access or delay in accessing these funds could adversely affect our business and financial position.

We intend to continue to evaluate market conditions and may in the future pursue additional sources of funding, such as mortgage or other financing, to further enhance our financial position and to execute our business strategy. In addition, should prevailing economic, financial, business or other factors adversely affect our ability to meet our operating cash requirements, we could be required to obtain funding though traditional or alternative sources of financing. We cannot be certain that additional funds would be available to us on favorable terms when required, or at all.

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Sources of liquidity

Since our inception, we have financed our operations and capital expenditures primarily through sales of convertible preferred stock and common stock, revenue from sales of our products and the incurrence of indebtedness. In September 2019, we completed our initial public offering for aggregate proceeds of $410.8 million, net of offering costs, underwriter discounts and commissions. In September 2020, we completed a public offering of our Class A common stock for aggregate proceeds of $482.3 million, net of offering costs, underwriting discounts and commissions.

Cash flow summary

The following table summarizes our cash flows for the periods indicated:

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Operating activities

The net cash provided by operating activities of $6.7 million for the year ended December 31, 2024 was due primarily to a net loss of $182.6 million, partially offset by stock-based compensation expense of $140.7 million, depreciation and amortization of $35.9 million, net cash inflow from changes in operating assets and liabilities of $1.3 million, lease and asset impairment charges of $3.1 million, amortization of leased right-of-use assets of $7.8 million, and other non-cash expenses of $0.5 million. The net cash inflow from operating assets and liabilities was primarily due to a decrease in accounts receivable of $27.0 million primarily due to reduced revenue, an increase in deferred revenue of $11.2 million, an increase in accrued compensation and other related benefits of $3.7 million, and an increase in other noncurrent liabilities of $0.8 million. The net cash inflow from operating assets and liabilities was partially offset by a decrease in accrued expenses and other current liabilities of $12.7 million, a decrease of $12.5 million due to payment of operating lease liabilities, an increase in inventory of $9.8 million, a decrease in accounts payable of $3.4 million due to timing of vendor payments, an increase in prepaid expenses and other current assets of $1.9 million, and an increase in other noncurrent assets of $1.1 million.

The net cash used in operating activities of $15.2 million for the year ended December 31, 2023 was due primarily to a net loss of $255.1 million, partially offset by stock-based compensation expense of $167.0 million, depreciation and amortization of $35.5 million, net cash inflow from changes in operating assets and liabilities of $17.3 million, asset impairment charges of $9.8 million, amortization of leased right-of-use assets of $8.1 million, realized losses on sale of marketable securities of $1.7 million and other non-cash expenses of $0.4 million. The net cash inflow from operating assets and liabilities was primarily due to an increase in accrued expenses and other current liabilities of $28.3 million primarily driven by $20.0 million of accrued purchase consideration, an increase in deferred revenue of $10.9 million, a decrease in inventory of $7.9 million and an increase in other noncurrent liabilities of $1.3 million. The net cash inflow from operating assets and liabilities was partially offset by an increase in accounts receivable of $10.6 million primarily due to an increase in revenue and timing of collections, a decrease of $8.7 million due to payment of operating lease liabilities, a decrease in accounts payable of $6.0 million due to timing of vendor payments, a decrease in accrued compensation and other related benefits of $2.6 million and an increase in prepaid expenses and other current assets of $2.4 million.

Investing activities

The net cash used in investing activities of $32.6 million in the year ended December 31, 2024 was due to the purchase of marketable securities of $48.9 million, purchases of property and equipment and intangible assets of $12.4 million and $1.0 million, respectively, partially offset by the proceeds from sales and maturities of marketable securities of $3.9 million and $25.8 million, respectively.

The net cash provided by investing activities of $133.5 million in the year ended December 31, 2023 was due to the proceeds from sales and maturities of marketable securities of $100.2 million and $82.8 million, respectively, partially offset by purchases of property and equipment and intangible assets of $48.6 million and $0.9 million, respectively.

Financing activities

The net cash provided by financing activities of $10.9 million in the year ended December 31, 2024 was primarily from proceeds of $10.9 million from the issuance of common stock from the exercise of stock options and employee stock purchase plan purchases.

The net cash provided by financing activities of $13.7 million in the year ended December 31, 2023 was primarily from proceeds of $19.5 million from the issuance of common stock from the exercise of stock options and employee stock purchase plan purchases partially offset by payments on financing arrangements of $5.8 million.

Critical Accounting Policies and Estimates

Our consolidated financial statements and the related notes thereto included elsewhere in this Annual Report are prepared in accordance with GAAP. We believe that our accounting policies related to revenue recognition are important in understanding our consolidated financial position and results of operations. The other accounting policies and estimates below also involve a significant degree of judgment and complexity. The preparation of consolidated financial statements requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue, costs and expenses and related disclosures. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances. Actual results could differ significantly from our estimates. To the extent that there are differences between our estimates and actual results, our future financial statement presentation, financial condition, results of operations and cash flows will be affected.

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For further information, see Note 2 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report.

Revenue recognition

We generate revenue from sales of products and services, and our products consist of instruments and consumables. Revenue from product sales is recognized when control of the product is transferred, which is generally upon shipment to the customer. Instrument service agreements, which relate to extended warranties, are typically entered into for one-year terms, following the expiration of the standard one-year warranty period. Revenue for extended warranties is recognized ratably over the term of the extended warranty period as a stand ready performance obligation. Revenue is recorded net of discounts, distributor commissions and sales taxes collected on behalf of governmental authorities. Customers are invoiced generally upon shipment, or upon order for services, and payment is typically due within 30 days. Cash received from customers in advance of product shipment or providing services is recorded as a liability. Our contracts with our customers generally do not include rights of return or a significant financing component.

We regularly enter into contracts that include various combinations of products and services which are generally distinct and accounted for as separate performance obligations. The recognition of revenue can be complex due to the volume of sales transactions including multiple performance obligations. The transaction price is allocated to each performance obligation in proportion to its standalone selling price. We determine standalone selling price using average selling prices with consideration of current market conditions. If the product or service has no history of sales or if the sales volume is not sufficient, we rely upon prices set by management, adjusted for applicable discounts.

Inventory

Inventory is recorded at the lower of cost, determined on a first-in, first-out basis, or net realizable value. We use judgment to analyze and determine if the composition of our inventory is obsolete, slow-moving, unsalable or otherwise carried above the net realizable value and frequently review such determinations. We write down specifically identified unusable, obsolete, slow-moving or known unsalable inventory and inventory otherwise carried above the net realizable value in the period that it is first recognized by using a number of factors including product expiration dates, open and unfulfilled orders and sales forecasts. Any write-down of inventory to net realizable value establishes a new cost basis and will be maintained even if certain circumstances suggest that the inventory is recoverable in subsequent periods. Costs associated with the write-down of inventory are recorded to cost of revenue on our consolidated statements of operations. We make assumptions about future demand, market conditions and the release of new products and new versions of existing products that may supersede old ones. However, if actual market conditions are less favorable than anticipated, additional inventory write-downs could be required. For example, we recorded charges of $11.3 million and $7.8 million in the years ended December 31, 2024 and 2023, respectively, related to excess and obsolete inventory.

Stock-based compensation

Our stock-based compensation relates to stock options, restricted stock units (“RSUs”), performance stock units (“PSUs”), market-based performance stock awards ("PSAs") including performance stock options and performance RSUs granted pursuant to equity incentive plans, and stock purchase rights under an Employee Stock Purchase Plan (“ESPP”). Stock-based compensation expense for stock-based awards are based on their grant date fair value. We determine the fair value of RSUs based on the closing price of our stock price, which is listed on Nasdaq Stock Market LLC, at the date of the grant. We estimate the fair value of stock option awards under an equity incentive plan and stock purchase right under an ESPP on the grant date using the Black-Scholes option-pricing model. The fair values of stock-based awards, excluding PSAs, are recognized as compensation expense on a straight-line basis over the requisite service period in which the awards are expected to vest and forfeitures are recognized as they occur.

The Black-Scholes model considers several variables and assumptions in estimating the fair value of stock-based awards. These variables include the per share fair value of the underlying common stock, exercise price, expected term, risk-free interest rate, expected annual dividend yield and the expected stock price volatility over the expected term. We calculate the expected term using the simplified method, which is the mid-point between the vesting and contractual term. We determine expected volatility using the historical volatility of the stock price of similar publicly traded peer companies. The risk-free interest rate is based on the yield available on U.S. Treasury zero-coupon issues similar in duration to the expected term of the equity-settled award.

During the year ended December 31, 2024, we granted PSUs to certain members of management which are subject to the

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achievement of certain performance conditions established by the Company’s Compensation Committee of the Board of Directors as described below:

i.50% of target PSUs earned will be based on the Company’s compound annual growth rate (CAGR) of the Company’s Revenue over a two-year performance period from January 1, 2024 to December 31, 2025. Holders may earn from 0% to 175% of the target amount of shares and earned PSUs will then be subject to service-based vesting; and

ii.50% of target PSUs earned will be based on the relative Total Shareholder Return (TSR) of the Company’s common stock as compared to the TSR of the members of the Russell 3000 Medical Equipment and Services Sector Index over a three-year performance period from January 1, 2024 to December 31, 2026. Depending on the results relative to the TSR market condition, the holders may earn from 0% to 200% of the target amount of shares which will vest at the end of the performance period.

The PSUs will be forfeited if the performance conditions are not achieved at the end of the relative performance periods as described above. The vesting of the PSUs can also be triggered upon certain change in control events or in the event of death or disability. The PSUs relating to CAGR components were not deemed probable of vesting as of December 31, 2024, no expenses were recognized for 2024.

During the years ended December 31, 2023 and 2022, we issued market-based PSAs comprising performance restricted stock units (and in one case a performance stock option). The PSAs consist of three separate tranches and the vesting of each tranche is subject to the Class A common stock closing price being maintained at or above certain predetermined share price goals for each tranche. We estimated the value of the PSA awards granted using a Monte Carlo simulation model, using assumptions including volatility, risk-free interest rate, cost of equity and dividends. We will recognize the compensation expense over the derived service period using the accelerated attribution method commencing on the grant date. The derived service period is the median duration of the successful stock price paths to meet the price goal for each tranche as simulated in the Monte Carlo valuation model. If the related market condition is achieved earlier than its estimated derived service period, the stock-based compensation expense will be accelerated, and a cumulative catch-up expense will be recorded during the period in which the market condition is met. None of the stock price thresholds for the PSAs had been met, resulting in no shares vesting or becoming exercisable as of December 31, 2024.

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

You should read the following discussion of our financial condition and results of operations in conjunction with our audited consolidated financial statements and the related notes and other financial information included elsewhere in this Annual Report and our audited consolidated financial statements and notes thereto.

As discussed in the section titled “Special Note Regarding Forward-looking Statements,” the following discussion and analysis, in addition to historical financial information, contains forward-looking statements that involve risks and uncertainties. Our actual results could differ materially from those anticipated in these forward-looking statements as a result of various factors, including those set forth in the section titled “Risk Factors” under Part I, Item 1A above.

Overview

We are a life sciences technology company focused on building innovative products and solutions to interrogate, understand and master biology. Our integrated solutions include instruments, consumables and software for analyzing biological systems at resolution and scale that matches the complexity of biology. We have launched multiple products that enable researchers to understand and interrogate biological analytes in their full biological context. Our commercial product portfolio leverages our Chromium X Series and Chromium Connect instruments, which we refer to as “Chromium instruments,” our Visium CytAssist, an instrument designed to simplify the Visium solution workflow by facilitating the transfer of transcriptomic probes from standard glass slides to Visium slides, and our Xenium Analyzer, an instrument designed for fully automated high-throughput analysis of cells in their tissue environment, which we refer to as “Spatial instruments,” and our proprietary microfluidic chips, slides, reagents and other consumables for our Chromium, Visium and Xenium solutions, which we refer to as “consumables.” We bundle our software with these products to guide customers through the workflow, from sample preparation through analysis and visualization.

Our products cover a wide variety of applications and allow researchers to analyze biological systems at fundamental resolutions and on massive scale, such as at the single cell level for millions of cells. Customers purchase instruments and consumables from us for use in their experiments. In addition to instrument and consumable sales, we derive revenue from post-warranty service contracts for our instruments.

Since our inception in 2012, we have incurred net losses in each year. Our net losses were $255.1 million and $166.0 million for the years ended December 31, 2023 and 2022, respectively. As of December 31, 2023, we had an accumulated deficit of $1.3 billion and cash and cash equivalents and marketable securities totaling $388.7 million. We expect to continue to incur significant expenses for the foreseeable future and to incur operating losses in the near term. We expect our expenses will increase in connection with our ongoing activities, as we:

•attract, hire and retain qualified personnel;

•scale our technology platforms and introduce new products and services;

•protect and defend our intellectual property;

•acquire businesses or technologies; and

•invest in processes, tools and infrastructure to support the growth of our business.

Key business metrics

We regularly review a number of operating and financial metrics, including cumulative instruments sold and total consumables reactions, to evaluate our business, measure our performance, identify trends affecting our business, formulate financial projections and make strategic decisions. We believe that these metrics are representative of our current business; however, we anticipate these may change or may be substituted for additional or different metrics as our business grows and as we introduce new products.

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Cumulative instruments sold

Our products are sold to academic and translational researchers and biopharmaceutical companies. Our Chromium Controller, Chromium X Series and Visium CytAssist instruments are user installable and do not require in-person training. Our Chromium Connect and Xenium instruments require installation and we offer in-person training for their use. We believe cumulative instruments sold is one of the indicators of our ability to drive customer adoption of our products. We define cumulative instruments sold as the cumulative number of Chromium instruments, including the Chromium X Series, the Chromium Connect and the legacy Chromium Controller, Visium CytAssist instruments and Xenium instruments sold since inception.

Our quarterly instrument unit volumes can fluctuate due to a number of factors, including the procurement and budgeting cycles of many of our customers, especially government and academic institutions where unused funds may be forfeited or future budgets reduced if purchases are not made by their fiscal year end, and the purchasing patterns of international customers which vary due to procurement or budgeting cycles, holidays or other factors which may result in a disproportionate amount of their purchasing activity occurring in specific periods. Similarly, our biopharmaceutical customers typically have calendar year fiscal years which may result in a disproportionate amount of their purchasing activity occurring during our fourth quarter. We also believe the timing of unit sales has been impacted and will continue to be impacted by the timing of product introductions and transitions which can either accelerate or delay demand of existing and new products depending on the needs of individual researchers to conclude existing studies or to use new and improved product capabilities. Also, the timing of our price increases, typically at the beginning of a new calendar year, can pull forward additional volume to the quarter before. We therefore believe that an annual representation of cumulative instruments sold is most appropriate for assessing trends in our business.

Total consumables reactions sold

A consumable reaction is the reagent setup needed to perform an experiment using one of our solutions. Reactions represent the unit volumes that we sell when a researcher purchases our consumables. As such, consumable reactions sold is an appropriate metric for assessing trends in our business. The figures in the table above (rounded to the nearest hundred) represent the total consumable reactions for the years ended December 31, 2023 and 2022.

Key factors affecting our performance

We believe that our financial performance has been and in the foreseeable future will continue to be primarily driven by the following factors. While each of these factors presents significant opportunities for our business, they also pose important challenges that we must successfully address in order to sustain our growth and improve our results of operations. Our ability to successfully address the factors below is subject to various risks and uncertainties, including those described under the heading “Risk Factors.”

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Instrument sales

Management focuses on instrument sales as an indicator of current business success and a leading indicator of likely future sales of consumables. We expect our instrument sales to continue to grow as we increase penetration in our existing markets and expand into, or offer new features and solutions that appeal to, new markets.

We plan to grow our instrument sales in the coming years through multiple strategies including expanding our sales efforts globally and continuing to enhance the underlying technology and applications for life sciences research. We regularly solicit feedback from our customers and focus our research and development efforts on enhancing the fleet of 10x instruments and enabling their ability to use additional applications that address their needs, which we believe in turn helps to drive additional sales of our instruments and consumables. In 2020, we introduced our Chromium Connect instrument, which is an automated version of our legacy Chromium Controller instrument. In 2021, we introduced our Chromium X Series which consists of the Chromium X, a high-throughput instrument to deliver routine million cell experiments, and the Chromium iX, an instrument capable of running experiments for tens of thousands of cells seamlessly upgradable to the Chromium X as scientists expand their research projects. In 2022, we introduced our Visium CytAssist instrument, which streamlines the workflow of our Visium Spatial assays, and our Xenium Analyzer instrument, which is designed for fully automated high-throughput analysis of cells in their tissue environment.

Our sales process varies considerably depending upon the type of customer to whom we are selling. Our sales process with small laboratories and individual researchers is often short, and in some cases, we receive purchase orders from these customers in under a month. Our sales process with other institutions can be longer with most customers submitting purchase orders within six months. Given the variability of our sales cycle, we have in the past experienced, and likely will in the future experience, fluctuations in our instrument sales on a period-to-period basis.

Recurring consumable revenue

We regularly assess trends relating to recurring consumable revenue based on our product offerings, our customer base and our understanding of how our customers use our products. We sell additional instruments and launch additional consumables solutions, some of which do not require the use of a 10x instrument, to drive increased consumables usage by our existing customers and to gain new customers. Consumables revenue on an absolute basis is expected to increase over time and remain the bulk of our revenue.

Revenue mix and gross margin

Our revenue is derived from sales of our instruments, consumables and services. There have been fluctuations in the mix between instruments and consumables and amongst our consumables. Each of our consumables solutions is designed to allow researchers to study a different aspect of biology, such as DNA, RNA, protein or epigenetics, at a resolution and scale that may be impractical or impossible using previously existing tools. As each of our solutions has been introduced, they have been initially purchased by a small number of early adopters. As these early adopters successfully perform experiments and publish scientific articles using our solutions, the utility of these solutions is more broadly understood and the solutions are then subsequently adopted by the larger research community. The revenue contribution from these and other consumable products has varied and is expected to vary on a quarterly basis due to several factors, including the publication of scientific papers demonstrating the value of the consumables, the availability of grants to fund research, budgetary timing, our introduction of new product features and new consumables offerings and our own manufacturing capacity or the capacity of our partners.

For each of the years ended December 31, 2023, 2022 and 2021, our Single Cell Gene Expression consumables, which were introduced in 2016, were our highest selling consumables product. For the year ended December 31, 2023, the remaining consumables revenue was comprised of sales of our Single Cell Immune Profiling, Single Cell Multiome ATAC+Gene Expression, Single Cell Gene Expression Flex, Single Cell ATAC, and Visium and Xenium consumables. Revenue contribution from our Single Cell Gene Expression, Single Cell Multiome ATAC+Gene Expression and Single Cell Immune Profiling consumables decreased as a percentage of overall consumables revenue while revenue contribution from our Single Cell Gene Expression Flex, Single Cell ATAC and Visium and Xenium consumables increased as a percentage of overall consumables revenue for the year ended December 31, 2023.

Our margins are generally higher for those instruments and consumables that we sell directly to customers as compared to those that we sell through distributors. While we expect the mix of direct sales as compared to sales through distributors to remain relatively constant in the near term, we are evaluating increasing our direct sales capabilities in certain geographies.

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We expect our gross margin will continue to trend lower due in part to change in product mix with newly introduced products, the impacts of inflation including, among other impacts, employee compensation and benefits, increased supply chain costs and increased costs due to expanding our operations infrastructure. In particular, the Xenium instrument currently carries a significantly lower margin than our other instruments. We believe that potential increases for average selling price, as well as potential opportunities for cost reductions due to economies of scale will improve instrument margin over the long term.

Continued investment in growth

Our significant revenue growth has been driven by rapid innovation towards novel solutions that command price premiums and quick adoption of our solutions by our customer base. We intend to continue to make focused investments to increase revenue and scale operations to support the growth of our business and therefore expect expenses in this area to increase.

We have invested, and will continue to invest, in our manufacturing capabilities and commercial infrastructure. We completed the expansion of our research and development center and manufacturing facility adjacent to our Pleasanton global headquarters in 2023. Excluding acquisitions, we expect our operating expenditures to continue to increase in 2024 and beyond as we increase our investment in new and existing research and development projects, increase commercial efforts to support revenue growth and incentives to retain key talent. In addition, we expect increased legal costs in 2024 to support the protection of our intellectual property portfolio. As cost of revenue, operating expenses and capital expenditures fluctuate over time, we may experience short-term, negative impacts to our results of operations and cash flows, but we are undertaking such investments in the belief that they will contribute to long-term growth.

Acquisitions of key technologies

We have made, and intend to continue to make, investments that meet management’s criteria to expand or add key technologies that we believe will facilitate the commercialization of new products in the future. Such investments could take the form of an acquisition of a business, asset acquisition or the exclusive or non-exclusive in-license of intellectual property rights. Any such acquisitions we make may affect our future financial results. Our 2023 acquisition of certain intangible and other assets from Centrillion Technologies, Inc. and Centrillion Technology Holdings Corp. and 2020 acquisitions of CartaNA and ReadCoor were largely comprised of purchases of intellectual property which were expensed as in-process research and development in the quarter during which such acquisitions occurred or when certain technology development milestones were met. While we have not previously entered into material joint-development, partnership or joint-venture agreements, we may in the future decide to do so and any such arrangements may limit our rights and the commercial opportunities of any jointly developed technology.

Components of Results of Operations

Revenue

We generate virtually all of our revenue through the sale of our instruments and consumables to customers. We also generate a small portion of our revenue from instrument service agreements which relate to extended warranties. Our revenue is subject to fluctuation based on the foreign currency in which our products are sold, principally for sales denominated in the euro, Great British pound and Japanese yen.

Our revenue from consumables includes sales of our Chromium, Visium and Xenium consumable products. Our consumables are designed to work exclusively with our instruments. Our Chromium, Xenium and Visium Spatial Proteogenomics consumables require the use of a 10x Genomics instrument, while use of a 10x instrument is optional for our Visium Spatial Gene Expression solution. Our instruments and consumables are generally sold without the right of return. Revenue is recognized as instruments and consumables are shipped. Revenue is recognized net of any sales incentive, distributor rebates and commissions and any taxes collected from customers. Instrument service agreements are typically entered into for a one-year term, with the coverage period beginning after the expiration of the standard one-year warranty period. Revenue from the sale of instrument service agreements are recognized ratably over the coverage period.

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Cost of revenue, gross profit and gross margin

Cost of revenue. Cost of revenue primarily consists of manufacturing costs incurred in the production process including personnel and related costs, costs of component materials, manufacturing overhead, packaging and delivery costs and allocated costs including facilities and information technology. In addition, cost of revenue includes royalty costs for licensed technologies included in our products, warranty costs, provisions for slow-moving and obsolete inventory and personnel and related costs and component costs incurred in connection with our obligations under our instrument service agreements. We record royalty accruals relating to sales of majority of our products as cost of revenue.

Gross profit/gross margin. Gross profit is calculated as revenue less cost of revenue. Gross margin is gross profit expressed as a percentage of revenue. Our gross profit and gross margins in future periods are expected to fluctuate from quarter to quarter and will depend on a variety of factors, including: market conditions that may impact our pricing; sales mix changes among consumables, instruments and services; product mix changes between established products and new products; impacts of inflation and increased supply chain costs; excess and obsolete inventories; royalties; our cost structure for manufacturing operations relative to volume; and product warranty obligations. We currently anticipate that we will experience an increase in absolute dollars of both revenue and cost of revenue as we grow our business.

Research and development. Research and development expense primarily consists of personnel and related costs, independent contractor costs, laboratory supplies, equipment maintenance prototype and materials expenses, amortization of developed technology and intangibles and allocated costs including facilities and information technology.

We plan to continue to invest in our research and development efforts to enhance existing products and develop new products. As a result of these and other initiatives, we expect research and development expense will increase in absolute dollars in future periods and vary from period to period as a percentage of revenue. Having completed the expansion of our global headquarters in Pleasanton in 2023, we expect allocated facilities and information technology costs to remain relatively flat in 2024.

In-process research and development. In-process research and development consists of costs incurred to acquire intellectual property for research and development. We expect these costs to be recognized, in most cases, only in periods during which we complete an acquisition of assets comprised in whole or part of intellectual property for research and development. We periodically evaluate acquisitions of this nature.

Selling, general and administrative. Selling, general and administrative expense primarily consists of costs related to the selling and marketing of our products, including sales incentives and advertising expenses and costs associated with our finance, accounting, legal (excluding accrued contingent liabilities), human resources and administrative personnel. Related costs associated with these functions, such as attorney and accounting fees, recruiting services, administrative services, insurance, public relations and communication activities, marketing programs and trade show appearances, travel, customer service costs, safety equipment purchases and cleaning and allocated costs including facilities and information technology, are also included in selling, general and administrative expenses.

We expect to incur additional selling, general and administrative expenses due to continued investment in our sales, marketing and customer service efforts to support the anticipated growth of our business and increased legal costs to support the protection of our intellectual property portfolio. We expect infrastructure costs including allocated facilities and information technology costs to remain flat in absolute dollars. As a result of these and other initiatives, we expect selling, general and administrative expenses to vary from period to period as a percentage of revenue and increase in absolute dollars in future periods. We expect our stock-based compensation expense allocated to cost of revenue, research and development expenses and selling, general and administrative expenses to increase in absolute dollars.

Accrued contingent liabilities

In 2021, accrued contingent liabilities were comprised of the original charge, estimated royalties and interest charges primarily related to our litigation with Bio-Rad Laboratories, Inc. We did not incur any accrued contingent liabilities in 2023 and 2022.

Interest income

Interest income consists of interest earned on our cash and cash equivalents which are invested in bank deposits, money market funds and marketable securities.

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Other income (expense), net

Other income (expense), net primarily consists of realized and unrealized gains and losses related to foreign exchange rate remeasurements.

Provision for income taxes

Our provision for income taxes consists primarily of foreign taxes. As we expand the scale and scope of our international business activities, any changes in the U.S. and foreign taxation of such activities may increase our overall provision for income taxes in the future.

As of December 31, 2023, we had federal net operating loss (“NOL”) carryforwards of $672.3 million and federal tax credit carryforwards of $77.3 million. Our federal NOLs generated after December 31, 2017, which total $665.9 million, are carried forward indefinitely, while all of our other federal NOL and tax credit carryforwards expire beginning in 2033. As of December 31, 2023, we had state NOL carryforwards of $412.2 million, which expire beginning in 2033. In addition, we had state tax credit carryforwards of $58.5 million, which carry forward indefinitely. Our ability to utilize such carryforwards for income tax savings is subject to certain conditions and may be subject to certain limitations in the future due to ownership changes. As such, there can be no assurance that we will be able to utilize such carryforwards. We have experienced a history of losses and a lack of future taxable income would adversely affect our ability to utilize these NOL and tax credit carryforwards. We currently maintain a full valuation allowance against these tax assets.

Under Sections 382 and 383 of the Internal Revenue Code of 1986, as amended (the “Code”), if a corporation undergoes an “ownership change,” the corporation’s ability to use its pre-change NOL carryforwards and other pre-change attributes, such as tax credits, to offset its post-change income may be limited. In general, an “ownership change” will occur if there is a cumulative change in our ownership by “5% shareholders” that exceeds 50 percentage points over a rolling three-year period. Similar rules may apply under state tax laws. The annual limitation generally is determined by multiplying the value of our stock at the time of such ownership change (subject to certain adjustments) by the applicable long-term tax-exempt rate. Such limitations may result in expiration of a portion of the NOL carryforwards before utilization. We completed a study through September 30, 2023 to determine whether an ownership change had occurred under Section 382 or 383 of the Code, and we determined that an ownership change occurred in 2013. As a result, our NOLs generated through November 1, 2013 may be subject to limitation under Section 382 of the Code. In addition, certain ReadCoor tax attributes are subject to annual limitations as a result of our acquisition of ReadCoor, which constituted an ownership change of ReadCoor. Such limitations may result in expiration of a portion of our NOL or tax credit carryforwards before utilization. Our ability to use NOL or tax credit carryforwards to reduce future taxable income and liabilities may be further limited as a result of future changes in stock ownership. As a result, if we generate taxable income, our ability to use our pre-change NOL or tax credit carryforwards to offset U.S. federal and state taxable income may still be subject to limitations, which could potentially result in increased future tax liability.

Results of Operations

In this section, we discuss the results of our operations for the year ended December 31, 2023 compared to the year ended December 31, 2022. For a discussion of the year ended December 31, 2022 compared to the year ended December 31, 2021, please refer to Part II, Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2022.

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Revenue

Revenue increased $102.3 million, or 20%, for the year ended December 31, 2023 as compared to year ended December 31, 2022. Instruments revenue increased $51.1 million, or 71%, to $123.5 million for the year ended December 31, 2023 as compared to the year ended December 31, 2022, primarily due to higher volume of Spatial instruments sold. The revenues for the years ended December 31, 2023 and 2022 included twelve and three months of sales of Xenium instruments, respectively. Chromium instruments revenue decreased $10.7 million, or 18%, to $47.9 million primarily due to lower volume of Chromium instruments sold and changes in product mix. Consumables revenue increased $44.0 million, or 10%, to $479.6 million for the year ended December 31, 2023 as compared to the year ended December 31, 2022, primarily driven by growth in both Chromium and Spatial consumables sales.

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Cost of revenue, Gross Profit and Gross Margin

Cost of revenue increased $89.0 million, or 74%, for the year ended December 31, 2023 as compared to the year ended December 31, 2022. The increase was primarily driven by higher manufacturing costs of $79.0 million due to increased sales and higher costs of newly introduced products, $4.4 million of higher inventory write-downs and $4.4 million of higher warranty charges.

Operating Expenses

Research and development expense increased $4.7 million, or 2%, for the year ended December 31, 2023 as compared to the year ended December 31, 2022. The increase was primarily driven by an increase in personnel expenses of $15.0 million, including $13.6 million in stock-based compensation expense and higher costs for facilities and information technology of $4.6 million including a lease impairment charge of $2.1 million. The increase was partially offset by lower costs of laboratory materials, supplies and expensed equipment of $13.7 million used to support our research and development efforts and $2.0 million in consulting and professional services.

In-process research and development expense recorded during the year ended December 31, 2023 related to the January 2023 agreement to acquire certain intangible and other assets from Centrillion Technologies, Inc. and Centrillion Technology Holdings Corp. which was accounted for as an asset acquisition. In connection with the acquisition, we recognized an in-process research and development intangible asset of $61.0 million which did not have alternative future use and therefore was recognized as an expense during the period. See Note 4 to the consolidated financial statements for further details. There were no similar purchases in year ended December 31, 2022.

Selling, general and administrative expenses increased $45.0 million, or 15%, for the year ended December 31, 2023 as compared to the year ended December 31, 2022. The increase was primarily driven by increases in outside legal expenses of $18.1 million, personnel expenses of $14.4 million, including $14.7 million in stock-based compensation expense, $6.4 million for facilities and information technology including lease impairment charges of $2.8 million, $4.5 million of impairment charges relating to the discontinuance of a product line, and higher consulting and professional services of $1.8 million. The increase in personnel expenses was partially offset by $2.5 million in restructuring expenses for the year ended December 31, 2022.

Excluding acquisitions, we expect our operating expenditures to continue to increase in 2024 and beyond as we increase our investment in new and existing research and development projects, commercial efforts to support revenue growth and incentives to retain key talent. In addition, we expect increased legal costs in 2024 to support the protection of our intellectual property portfolio.

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Other Income (Expense), Net

Interest income increased by $10.3 million for the year ended December 31, 2023 as compared to the year ended December 31, 2022. The increase was primarily due to interest income generated from our cash equivalents and marketable securities during the year ended December 31, 2023 reflecting an increase in interest rates.

Other expense, net increased by $0.1 million for the year ended December 31, 2023 as compared to the year ended December 31, 2022 and was driven by realized and unrealized losses from foreign currency rate measurement fluctuations.

Provision for Income Taxes

The Company’s provision for income taxes was $6.3 million and $4.0 million, respectively, for the year ended December 31, 2023 and 2022. The provision for income taxes increased by $2.3 million for the year ended December 31, 2023 as compared to the year ended December 31, 2022. The increase was primarily due to higher foreign income.

Acquisition

On January 28, 2023, we signed an agreement to acquire certain intangible and other assets from Centrillion Technologies, Inc. and Centrillion Technology Holdings Corp. for an upfront cash payment of $10.0 million relating to an intellectual property license. Upon the close of the transaction on July 14, 2023, we paid additional cash consideration of $10.0 million upon acquiring the assets. Under the agreement, we are obligated to provide additional cash consideration if certain technology development milestones are met. As of December 31, 2023, we had paid $21.3 million relating to the completion of development milestones. We paid an additional $20.0 million in January 2024 in relation to a development milestone which was accrued in the Company's consolidated financial statements as of December 31, 2023. Up to $15.0 million of cash consideration is due if an additional technology development milestone is met. Furthermore, the Company expects to pay cash consideration tied to future sales milestones if such milestones are met. See Note 4 to the consolidated financial statements for further details.

Liquidity and Capital Resources

As of December 31, 2023, we had approximately $388.7 million in cash and cash equivalents, and marketable securities which were primarily held in U.S. banks. We have generated negative cumulative cash flows from operations since inception through the year ended December 31, 2023, and we have generated losses from operations since inception as reflected in our accumulated deficit of $1.3 billion.

We currently anticipate making aggregate capital expenditures of between approximately $20 million and $25 million during the next 12 months, which we expect to include, among other expenditures, equipment to be used for manufacturing and research and development.

Our future capital requirements will depend on many factors including our revenue growth rate, research and development efforts, investments in or acquisitions of complementary or enhancing technologies or businesses, the timing and extent of additional capital expenditures to invest in existing and new facilities, the expansion of sales and marketing and international activities, legal costs associated with defending and enforcing intellectual property rights and the introduction of new products.

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We take a long-term view in growing and scaling our business and we regularly review acquisition and investment opportunities, and we may in the future enter into arrangements to acquire or invest in businesses, real estate, services and technologies, including intellectual property rights, and any such acquisitions or investments could significantly increase our capital needs. We regularly review opportunities that meet our long-term growth objectives.

In January 2023, we signed an agreement to acquire certain intangible and other assets from Centrillion Technologies, Inc. and Centrillion Technology Holdings Corp. for an upfront cash payment of $10.0 million relating to an intellectual property license. Upon the close of the transaction on July 14, 2023, we paid additional cash consideration of $10.0 million upon acquiring the assets. Under the agreement, we are obligated to provide additional cash consideration if certain technology development milestones are met. As of December 31, 2023, we have paid $21.3 million relating to the completion of development milestones. We paid an additional $20.0 million in January 2024 in relation to a development milestone which was accrued in our consolidated financial statements as of December 31, 2023. Up to $15.0 million of cash consideration is due if an additional technology development milestone is met. Furthermore, we expect to pay cash consideration tied to future sales milestones if such milestones are met.

We expect to continue to incur operating losses for the foreseeable future. We believe that our existing cash and cash equivalents and cash generated from sales of our products will be sufficient to meet our anticipated cash needs for at least the next 12 months. However, our liquidity assumptions may prove to be incorrect, and we could exhaust our available financial resources sooner than we currently expect. We maintain the majority of our cash and cash equivalents in accounts with major U.S. and multi-national financial institutions, and our deposits at these institutions exceed insured limits. Market conditions can impact the viability of these institutions. In the event of failure of any of the financial institutions where we maintain our cash and cash equivalents, there can be no assurance that we would be able to access uninsured funds in a timely manner or at all. Any inability to access or delay in accessing these funds could adversely affect our business and financial position.

We intend to continue to evaluate market conditions and may in the future pursue additional sources of funding, such as mortgage or other financing, to further enhance our financial position and to execute our business strategy. In addition, should prevailing economic, financial, business or other factors adversely affect our ability to meet our operating cash requirements, we could be required to obtain funding though traditional or alternative sources of financing. We cannot be certain that additional funds would be available to us on favorable terms when required, or at all.

Sources of liquidity

Since our inception, we have financed our operations and capital expenditures primarily through sales of convertible preferred stock and common stock, revenue from sales of our products and the incurrence of indebtedness. In September 2019, we completed our initial public offering for aggregate proceeds of $410.8 million, net of offering costs, underwriter discounts and commissions. In September 2020, we completed a public offering of our Class A common stock for aggregate proceeds of $482.3 million, net of offering costs, underwriting discounts and commissions.

Cash flow summary

The following table summarizes our cash flows for the periods indicated:

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Operating activities

The net cash used in operating activities of $15.2 million for the year ended December 31, 2023 was due primarily to a net loss of $255.1 million, partially offset by stock-based compensation expense of $167.0 million, depreciation and amortization of $35.5 million, net cash inflow from changes in operating assets and liabilities of $17.3 million, asset impairment charges of $9.8 million, amortization of leased right-of-use assets of $8.1 million, realized losses on sale of marketable securities of $1.7 million and other non-cash expenses of $0.4 million. The net cash inflow from operating assets and liabilities was primarily due to an increase in accrued expenses and other current liabilities of $28.3 million primarily driven by $20.0 million of accrued purchase consideration, an increase in deferred revenue of $10.9 million, a decrease in inventory of $7.9 million and an increase in other noncurrent liabilities of $1.3 million. The net cash inflow from operating assets and liabilities was partially offset by an increase in accounts receivable of $10.6 million primarily due to an increase in revenue and timing of collections, a decrease of $8.7 million due to payment of operating lease liabilities, a decrease in accounts payable of $6.0 million due to timing of vendor payments, a decrease in accrued compensation and other related benefits of $2.6 million and an increase in prepaid expenses and other current assets of $2.4 million.

The net cash used in operating activities of $33.6 million for the year ended December 31, 2022 was due primarily to a net loss of $166.0 million, net cash outflow from changes in operating assets and liabilities of $39.4 million, partially offset by stock-based compensation expense of $136.8 million, depreciation and amortization of $25.4 million, amortization of leased right-of-use assets of $7.6 million, loss on disposal of property and equipment of $1.1 million and amortization of premium and accretion of discount on marketable securities, net of $0.9 million. The net cash outflow from operating assets and liabilities was primarily due to an increase in inventory of $21.2 million due to anticipated demand including new product introductions and supply chain management, an increase in accounts receivable of $18.9 million primarily due to increase in revenue and timing of collections, a decrease of $6.4 million due to payment of operating lease liabilities, an increase in prepaid expenses and other current assets of $4.5 million and a decrease in other noncurrent liabilities of $2.9 million. The net cash outflow from operating assets and liabilities was partially offset by an increase in accounts payable of $5.9 million due to timing of vendor payments, an increase in deferred revenue of $3.4 million, an increase in accrued expenses and other current liabilities of $3.3 million, an increase in accrued compensation and other related benefits of $1.1 million and a decrease in other noncurrent assets of $0.9 million.

Investing activities

The net cash provided by investing activities of $133.5 million in the year ended December 31, 2023 was due to the proceeds from sales and maturities of marketable securities of $100.2 million and $82.8 million, respectively, partially offset by purchases of property and equipment and intangible assets of $48.6 million and $0.9 million, respectively.

The net cash used in investing activities of $350.9 million in the year ended December 31, 2022 was due to purchases of marketable securities of $282.9 million, purchases of property and equipment of $131.7 million and payment of acquisition-related holdback cash and contingent consideration of $4.0 million, partially offset by proceeds from sales and maturities of marketable securities of $49.1 million and $18.5 million, respectively.

Financing activities

The net cash provided by financing activities of $13.7 million in the year ended December 31, 2023 was primarily from proceeds of $19.5 million from the issuance of common stock from the exercise of stock options and employee stock purchase plan purchases partially offset by payments on financing arrangements of $5.8 million.

The net cash provided by financing activities of $15.8 million in the year ended December 31, 2022 was primarily from proceeds of $21.2 million from the issuance of common stock from the exercise of stock options and employee stock purchase plan purchases partially offset by payments on financing arrangements of $5.4 million.

Critical Accounting Estimates

Our consolidated financial statements and the related notes thereto included elsewhere in this Annual Report are prepared in accordance with GAAP. The preparation of consolidated financial statements also requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue, costs and expenses and related disclosures. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances. Actual results could differ significantly from our estimates. To the extent that there are differences between our estimates and actual results, our future financial statement presentation, financial condition, results of operations and cash flows will be affected.

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We believe that the accounting estimates described below involve a significant degree of judgment and complexity. Accordingly, we believe these are the most critical to aid in fully understanding and evaluating our consolidated financial condition and results of operations. For further information, see Note 2 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report.

Revenue recognition

We generate revenue from sales of products and services, and our products consist of instruments and consumables. Revenue from product sales is recognized when control of the product is transferred, which is generally upon shipment to the customer. Instrument service agreements, which relate to extended warranties, are typically entered into for one-year terms, following the expiration of the standard one-year warranty period. Revenue for extended warranties is recognized ratably over the term of the extended warranty period as a stand ready performance obligation. Revenue is recorded net of discounts, distributor commissions and sales taxes collected on behalf of governmental authorities. Customers are invoiced generally upon shipment, or upon order for services, and payment is typically due within 30 days. Cash received from customers in advance of product shipment or providing services is recorded as a liability. Our contracts with our customers generally do not include rights of return or a significant financing component.

We regularly enter into contracts that include various combinations of products and services which are generally distinct and accounted for as separate performance obligations. The transaction price is allocated to each performance obligation in proportion to its standalone selling price. We determine standalone selling price using average selling prices with consideration of current market conditions. If the product or service has no history of sales or if the sales volume is not sufficient, we rely upon prices set by management, adjusted for applicable discounts.

Inventory

Inventory is recorded at the lower of cost, determined on a first-in, first-out basis, or net realizable value. We use judgment to analyze and determine if the composition of our inventory is obsolete, slow-moving, unsalable or otherwise carried above the net realizable value and frequently review such determinations. We write down specifically identified unusable, obsolete, slow-moving or known unsalable inventory and inventory otherwise carried above the net realizable value in the period that it is first recognized by using a number of factors including product expiration dates, open and unfulfilled orders and sales forecasts. Any write-down of inventory to net realizable value establishes a new cost basis and will be maintained even if certain circumstances suggest that the inventory is recoverable in subsequent periods. Costs associated with the write-down of inventory are recorded to cost of revenue on our consolidated statements of operations. We make assumptions about future demand, market conditions and the release of new products that may supersede old ones. However, if actual market conditions are less favorable than anticipated, additional inventory write-downs could be required.

Stock-based compensation

Our stock-based compensation relates to stock options, restricted stock units (“RSUs”), market-based performance stock awards ("PSAs") including performance stock options and performance RSUs granted pursuant to equity incentive plans and stock purchase rights under an Employee Stock Purchase Plan (“ESPP”). Stock-based compensation expense for stock-based awards are based on their grant date fair value. We determine the fair value of RSUs based on the closing price of our stock price, which is listed on Nasdaq Stock Market LLC, at the date of the grant. We estimate the fair value of stock option awards under an equity incentive plan and stock purchase right under an ESPP on the grant date using the Black-Scholes option-pricing model. The fair values of stock-based awards, excluding PSAs, are recognized as compensation expense on a straight-line basis over the requisite service period in which the awards are expected to vest and forfeitures are recognized as they occur.

The Black-Scholes model considers several variables and assumptions in estimating the fair value of stock-based awards. These variables include the per share fair value of the underlying common stock, exercise price, expected term, risk-free interest rate, expected annual dividend yield and the expected stock price volatility over the expected term. We calculate the expected term using the simplified method, which is the mid-point between the vesting and contractual term. We determine expected volatility using the historical volatility of the stock price of similar publicly traded peer companies. The risk-free interest rate is based on the yield available on U.S. Treasury zero-coupon issues similar in duration to the expected term of the equity-settled award.

During the years ended December 31, 2023 and 2022, we issued market-based performance stock awards ("PSAs") comprising of performance stock options and performance restricted stock units. The PSAs consist of three separate tranches and the vesting of each tranche is subject to the Class A common stock closing price being maintained at or above certain

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predetermined share price goals for each tranche. We estimated the value of the PSA awards granted using a Monte Carlo simulation model, using assumptions including volatility, risk-free interest rate, cost of equity and dividends. We will recognize the compensation expense over the derived service period using the accelerated attribution method commencing on the grant date. The derived service period is the median duration of the successful stock price paths to meet the price goal for each tranche as simulated in the Monte Carlo valuation model. If the related market condition is achieved earlier than its estimated derived service period, the stock-based compensation expense will be accelerated, and a cumulative catch-up expense will be recorded during the period in which the market condition is met.

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

You should read the following discussion of our financial condition and results of operations in conjunction with our audited consolidated financial statements and the related notes and other financial information included elsewhere in this Annual Report and our audited consolidated financial statements and notes thereto.

As discussed in the section titled “Special Note Regarding Forward-looking Statements,” the following discussion and analysis, in addition to historical financial information, contains forward-looking statements that involve risks and uncertainties. Our actual results could differ materially from those anticipated in these forward-looking statements as a result of various factors, including those set forth in the section titled “Risk Factors” under Part I, Item 1A above.

Overview

We are a life science technology company focused on building innovative products to interrogate, understand and master biology. Our integrated platform solutions include instruments, consumables and software for analyzing biological systems at a resolution and scale that matches the complexity of biology. We have launched multiple products that enable researchers to understand and interrogate biological analytes in their full biological context. Our commercial product portfolio leverages our Chromium X Series and Chromium Connect, which we refer to as “Chromium instruments,” our Visium CytAssist, an instrument designed to simplify the Visium solution workflow by facilitating the transfer of transcriptomic probes from standard glass slides to Visium slides, our Xenium Analyzer, an instrument designed for fully automated high-throughput analysis of cells in their tissue environment, and our proprietary microfluidic chips, slides, reagents and other consumables for our Chromium, Visium and Xenium solutions, which we refer to as “consumables.” We bundle our software with these products to guide customers through the workflow, from sample preparation through analysis and visualization. Since launching our first product in mid-2015 through December 31, 2022, cumulatively we have sold 4,630 instruments to researchers around the world, including all of the top 100 global research institutions as ranked by Nature in 2021 based on publications and all of the top 20 global biopharmaceutical companies by 2021 research and development spend.

Our products cover a wide variety of applications and allow researchers to analyze biological systems at fundamental resolution and on massive scale, such as at the single cell level for millions of cells. Customers purchase instruments and consumables from us for use in their experiments. In addition to instrument and consumable sales, we derive revenue from post-warranty service contracts for our instruments.

We focus a substantial portion of our resources on developing new products and solutions. Our research and development efforts are centered around improving the performance of our existing assays and software, improving and developing new capabilities for our Chromium, Visium and Xenium platforms, developing combined software and workflows across multiple solutions and investigating new technologies. We intend to make significant investments in this area for the foreseeable future.

Historically, we have financed our operations and capital expenditures primarily through sales of convertible preferred stock and common stock, revenue from sales of our products and the incurrence of indebtedness. In September 2019, we completed our initial public offering for aggregate proceeds of $410.8 million, net of offering costs, underwriter discounts and commissions. In September 2020, we completed a public offering of our Class A common stock for aggregate proceeds of $482.3 million, net of offering costs, underwriting discounts and commissions.

Since our inception in 2012, we have incurred net losses in each year. Our net losses were $166.0 million and $58.2 million for the years ended December 31, 2022 and 2021, respectively. As of December 31, 2022, we had an accumulated deficit of $1.0 billion and cash and cash equivalents and marketable securities totaling $430.0 million. We expect to continue to incur significant expenses for the foreseeable future and to incur operating losses in the near term. We expect our expenses will increase substantially in connection with our ongoing activities, as we:

•attract, hire and retain qualified personnel;

•scale our technology platforms and introduce new products and services;

•protect and defend our intellectual property;

•acquire businesses or technologies; and

•invest in processes, tools and infrastructure and facilities to support the growth of our business.

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Operational Effectiveness in the COVID-19 Pandemic Environment

We continue to closely monitor developments surrounding the COVID-19 pandemic including, among other developments, the potential impacts of variants. Many of our customers continue to navigate COVID-19 related challenges that we believe have affected our customers’ productivity. Such challenges have included COVID-19 related protocols and restrictions, difficulties hiring, training and retaining laboratory and other personnel, constraints on logistics, shipping and other distribution operations and impediments to procuring materials, equipment and components required for their experiments. For example, we believe COVID-19 related lockdowns in China negatively impacted our revenues for the year ended December 31, 2022. We, our suppliers and our other partners also have encountered COVID-19 related challenges, including difficulties procuring equipment, materials and components necessary to develop, manufacture and distribute our products, but to date we have not experienced any material impacts as a result of such challenges.

There is considerable uncertainty about the duration of these disruptions. We expect these disruptions to continue to impact our operating results, however, the extent of the financial impact and duration cannot be reasonably estimated at this time. For further discussion of the risks relating to the impacts of the COVID-19 pandemic, see the section titled “Risk Factors,” generally, and “Risk Factors—Risks related to our business and industry—We are subject to risks associated with COVID-19,” specifically, under Part I, Item 1A.

Acquisitions

On January 8, 2021, we acquired 100% of the outstanding shares of Tetramer Shop ApS, a privately held company based in Copenhagen, Denmark, for $8.5 million in cash, net of cash acquired of $0.2 million. Tetramer Shop ApS developed and provided reagents for precise monitoring of antigen-specific T cells in research and development, which we commercialized with our BEAM-T product in 2022.

On October 13, 2020, we purchased all of the outstanding shares of ReadCoor, a privately held company based in Cambridge, Massachusetts, for $407.4 million, inclusive of $1.6 million of transaction costs and net of cash acquired of $9.2 million. The total purchase consideration comprised of $101.4 million in cash and $306.0 million in shares of the Company's common stock. On August 21, 2020, we purchased all of the outstanding shares of CartaNA, a privately held company based in Stockholm, Sweden, for $41.8 million, inclusive of $0.6 million of transaction costs and net of cash acquired of $1.5 million. ReadCoor and CartaNA were developing in situ technology which when combined with internal innovations formed the foundation of our Xenium platform.

See Note 4 to the consolidated financial statements for further details of the above acquisitions.

Key business metrics

We regularly review a number of operating and financial metrics, including cumulative instruments sold and consumable pull-through, to evaluate our business, measure our performance, identify trends affecting our business, formulate financial projections and make strategic decisions. We believe that these metrics are representative of our current business; however, we anticipate these may change or may be substituted for additional or different metrics as our business grows and as we introduce new products. For example, as further described below, various factors make consumable pull-through per instrument less useful than in past periods and we do not intend to present this key metric in future filings.

Cumulative instruments sold

Our products are sold to academic, government, biopharmaceutical, biotechnology and other leading institutions around the globe. Our Chromium Controller, Chromium X Series and Visium CytAssist instruments are user installable and do not require in-person training. Our Chromium Connect and Xenium instruments require installation and we offer in-person training for their use. We believe cumulative instruments sold, a metric we previously referred to as our instrument installed base, is one of the indicators of our ability to drive customer adoption of our products. We define cumulative instruments sold as the cumulative number of Chromium instruments, including the Chromium X Series, the Chromium Connect and the legacy Chromium Controller, Visium CytAssist instruments and Xenium instruments sold since inception.

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Our quarterly instrument unit volumes can fluctuate due to a number of factors, including the procurement and budgeting cycles of many of our customers, especially government and academic institutions where unused funds may be forfeited or future budgets reduced if purchases are not made by their fiscal year end, and the purchasing patterns of international customers which vary due to procurement or budgeting cycles, holidays or other factors which may result in a disproportionate amount of their purchasing activity occurring in specific periods. Similarly, our biopharmaceutical customers typically have calendar year fiscal years which may result in a disproportionate amount of their purchasing activity occurring during our fourth quarter. We also believe the timing of unit sales has been impacted and will continue to be impacted by the timing of product introductions and transitions which can either accelerate or delay demand of existing and new products depending on the needs of individual researchers to conclude existing studies or to use new and improved product capabilities. Also, the timing of our price increases, typically at the beginning of a new calendar year, can pull forward additional volume to the quarter before. We therefore believe that an annual representation of cumulative instruments sold is most appropriate for assessing trends in our business.

Consumable pull-through per instrument

Our consumables portfolio includes proprietary microfluidic chips, slides, reagents and other consumables across our platforms. The figures in the table above represent the annual consumable pull-through per instrument for the years ended December 31, 2022 and 2021.

We define consumable pull-through per instrument as the total consumables revenue in the given quarter divided by the average number, during that quarter, of cumulative instruments sold since inception. We calculate the average number of cumulative instruments sold since inception for a given quarter using the number of cumulative instruments sold since inception as of the last day of the prior quarter and the number of cumulative instruments sold since inception as of the last day of the given quarter. We calculate the annual consumable pull-through per instrument figure by summing the quarterly pull-through for the quarters in a given year. We do not believe the consumable pull-through per instrument in an individual quarter is an effective indicator of current business trends as quarterly consumable pull-through can fluctuate due to a number of factors, including the timing of product transitions, budget and funding cycles of our customers, expansion into new global markets and industries and the impact of the COVID-19 pandemic on our customers' operations.

With the increasing complexity of our product offerings and the expansion of our product portfolio, pull-through per instrument is becoming less representative of trends in our business for a number of reasons. We have discontinued our legacy Chromium Controller which has been replaced by the Chromium X Series as well as Chromium Connect instruments, and many Chromium Controller users have upgraded to newer instruments. In addition, some customers purchase and regularly utilize more than one Chromium instrument. The utilization patterns of our customers vary. Also, we have expanded our instrument portfolio and now sell several types of instruments across all three of our platforms, each with unique use cases and utilization patterns. Certain of our solutions do not require an instrument, such as our Visium Spatial Gene Expression solution. Each of these factors make average consumable pull-through per instrument less useful than in past periods. As such, the year ending December 31, 2022 will be the last reporting period in which it is a key business metric.

Key factors affecting our performance

We believe that our financial performance has been and in the foreseeable future will continue to be primarily driven by the following factors. While each of these factors presents significant opportunities for our business, they also pose important challenges that we must successfully address in order to sustain our growth and improve our results of operations. Our ability to successfully address the factors below is subject to various risks and uncertainties, including those described under the heading “Risk Factors.”

Instrument sales

Management focuses on instrument sales as an indicator of current business success and a leading indicator of likely future sales of consumables. We expect our instrument sales to continue to grow as we increase penetration in our existing markets and expand into, or offer new features and solutions that appeal to, new markets.

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We plan to grow our instrument sales in the coming years through multiple strategies including expanding our sales efforts globally and continuing to enhance the underlying technology and applications for life sciences research. As part of this strategy and in an effort to increase the rate of sales of our instruments, we increased our sales force by 9% from December 31, 2021 through December 31, 2022. We regularly solicit feedback from our customers and focus our research and development efforts on enhancing the fleet of 10x instruments and enabling their ability to use additional applications that address their needs, which we believe in turn helps to drive additional sales of our instruments and consumables. In 2020, we introduced our Chromium Connect instrument, which is an automated version of our legacy Chromium Controller instrument. We believe the automated features of the Chromium Connect will increase our addressable market by increasing utilization by biopharmaceutical customers. In 2021, we introduced our Chromium X Series which consists of the Chromium X, a high-throughput instrument to deliver routine million cell experiments, and the Chromium iX, an instrument capable of running experiments for tens of thousands of cells seamlessly upgradable to the Chromium X as scientists expand their research projects. In 2022, we introduced our Visium CytAssist instrument, which streamlines the workflow of our Visium Spatial assays, and our Xenium Analyzer instrument, which is designed for fully automated high-throughput analysis of cells in their tissue environment.

Our sales process varies considerably depending upon the type of customer to whom we are selling. Our sales process with small laboratories and individual researchers is often short, and in some cases, we receive purchase orders from these customers in under a month. Our sales process with other institutions can be longer with most customers submitting purchase orders within six months. Given the variability of our sales cycle, we have in the past experienced, and likely will in the future experience, fluctuations in our instrument sales on a period-to-period basis.

Recurring consumable revenue

We regularly assess trends relating to recurring consumable revenue based on our product offerings, our customer base and our understanding of how our customers use our products. We sell additional instruments and launch additional consumables solutions, some of which do not require the use of a 10x instrument, to drive increased consumables usage by our existing customers and to gain new customers. Consumables revenue on an absolute basis is expected to increase over time and remain the bulk of our revenue.

Revenue mix and gross margin

Our revenue is derived from sales of our instruments, consumables and services. There have been fluctuations in the mix between instruments and consumables and amongst our consumables. Each of our consumables solutions is designed to allow researchers to study a different aspect of biology, such as DNA, RNA, protein or epigenetics, at a resolution and scale that may be impractical or impossible using existing tools. As each of our solutions has been introduced, they have been initially purchased by a small number of early adopters. As these early adopters successfully perform experiments and publish scientific articles using our solutions, the utility of these solutions is more broadly understood and the solutions are then subsequently adopted by the larger research community. The revenue contribution from these and other consumable products has varied and is expected to vary on a quarterly basis due to several factors, including the publication of scientific papers demonstrating the value of the consumables, the availability of grants to fund research, budgetary timing and our introduction of new product features and new consumables offerings.

For each of the years ended December 31, 2022, 2021 and 2020, our Single Cell Gene Expression consumables, which were introduced in 2016, were our highest selling consumables product. For the year ended December 31, 2022, the remaining consumables revenue was substantially comprised of sales of our Single Cell Immune Profiling consumables, Single Cell Multiome ATAC+Gene Expression solution and Visium. Revenue contribution from our Single Cell Gene Expression and Single Cell ATAC consumables decreased as a percentage of overall consumables revenue while revenue contribution from our Single Cell Immune Profiling, Single Cell Multiome ATAC+Gene Expression solution and Visium consumables increased as a percentage of overall consumables revenue for the year ended December 31, 2022.

Our margins are generally higher for those instruments and consumables that we sell directly to customers as compared to those that we sell through distributors. While we expect the mix of direct sales as compared to sales through distributors to remain relatively constant in the near term, we are currently evaluating increasing our direct sales capabilities in certain geographies.

Overall, we expect our gross margin will trend lower in the near-term due in part to change in product mix with newly introduced products and the impacts of inflation and increased supply chain costs.

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Continued investment in growth

Our significant revenue growth has been driven by rapid innovation towards novel solutions that command price premiums and quick adoption of our solutions by our customer base. In 2022 and 2021, we introduced five and four new consumables products for each of these years, respectively. We intend to continue to make focused investments to increase revenue and scale operations to support the growth of our business and therefore expect expenses in this area to increase.

We have invested, and will continue to invest, in our manufacturing capabilities and commercial infrastructure. We expect to complete the expansion of our research and development center and manufacturing facility adjacent to our Pleasanton global headquarters in the near future. We expect our operating expenditures to continue to increase in 2023 and beyond as we increase our investment to support new and existing research and development projects and incentivize and retain key talent, which we expect to result in increased stock-based compensation expense in future periods. As cost of revenue, operating expenses and capital expenditures fluctuate over time, we may experience short-term, negative impacts to our results of operations and cash flows, but we are undertaking such investments in the belief that they will contribute to long-term growth.

Acquisitions of key technologies

We have made, and intend to continue to make, investments that meet management’s criteria to expand or add key technologies that we believe will facilitate the commercialization of new products in the future. Such investments could take the form of an acquisition of a business, asset acquisition or the exclusive or non-exclusive in-license of intellectual property rights. Any such acquisitions we make may affect our future financial results. For example, our 2021 acquisition of Tetramer Shop, which specialized in the development and provision of reagents for precise monitoring of antigen-specific T cells in research and development was accounted for as a business acquisition resulting in capitalization of intangible assets such as developed technology and goodwill. Additionally, our 2020 acquisitions of CartaNA and ReadCoor were largely comprised of purchases of intellectual property which were expensed as in-process research and development in the quarter during which such acquisitions occurred. While we have not previously entered into material joint-development, partnership or joint-venture agreements, we may in the future decide to do so and any such arrangements may limit our rights and the commercial opportunities of any jointly developed technology.

Components of Results of Operations

Revenue

We generate virtually all of our revenue through the sale of our instruments and consumables to customers. We also generate a small portion of our revenue from instrument service agreements which relate to extended warranties. Our revenue is subject to fluctuation based on the foreign currency in which our products are sold, principally for sales denominated in the euro.

Our revenue from consumables includes sales of our Chromium, Visium and Xenium consumable products. Our consumables are designed to work exclusively with our instruments. Our Chromium, Xenium and Visium Spatial Proteogenomics consumables require the use of a 10x Genomics instrument, while use of a 10x instrument is optional for our Visium Spatial Gene Expression solution. Our instruments and consumables are generally sold without the right of return. Revenue is recognized as instruments and consumables are shipped. Revenue is recognized net of any sales incentive, distributor rebates and commissions and any taxes collected from customers. Instrument service agreements are typically entered into for a one-year term, with the coverage period beginning after the expiration of the standard one-year warranty period. Revenue from the sale of instrument service agreements are recognized ratably over the coverage period.

Cost of revenue, gross profit and gross margin

Cost of revenue. Cost of revenue primarily consists of manufacturing costs incurred in the production process including personnel and related costs, costs of component materials, manufacturing overhead, packaging and delivery costs and allocated costs including facilities and information technology. We plan to hire additional employees as well as expand our manufacturing, warehousing and product distribution facilities, including increasing manufacturing automation to support our growth. In addition, cost of revenue includes royalty costs for licensed technologies included in our products, warranty costs, provisions for slow-moving and obsolete inventory and personnel and related costs and component costs incurred in connection with our obligations under our instrument service agreements. We record royalty accruals relating to sales of majority of our products as cost of revenue.

Gross profit/gross margin. Gross profit is calculated as revenue less cost of revenue. Gross margin is gross profit expressed as a percentage of revenue. Our gross profit and gross margins in future periods are expected to fluctuate from quarter to quarter and will depend on a variety of factors, including: market conditions that may impact our pricing; sales mix changes among

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consumables, instruments and services; product mix changes between established products and new products; impacts of inflation and increased supply chain costs; excess and obsolete inventories; royalties; our cost structure for manufacturing operations relative to volume; and product warranty obligations. We currently anticipate that we will experience an increase in absolute dollars of both revenue and cost of revenue as we grow our business.

Research and development. Research and development expense primarily consists of personnel and related costs, independent contractor costs, laboratory supplies, equipment maintenance prototype and materials expenses, amortization of developed technology and intangibles and allocated costs including facilities and information technology.

We plan to continue to invest in our research and development efforts, including hiring additional employees, to enhance existing products and develop new products. In addition to making investments in next generation products for single cell and spatial analysis, our ReadCoor and CartaNA acquisitions which when combined with internal innovations formed the basis of our Xenium platform. We also expect allocated facilities and information technology costs to increase in future periods as a result of higher costs associated with the expansion to our global headquarters and research and development center in Pleasanton, California. As a result of these and other initiatives, we expect research and development expense will increase in absolute dollars in future periods and vary from period to period as a percentage of revenue.

In-process research and development. In-process research and development consists of costs incurred to acquire intellectual property for research and development. We expect these costs to be recognized only in periods during which we complete an acquisition of assets comprised in whole or part of intellectual property for research and development. We periodically evaluate acquisitions of this nature.

Selling, general and administrative. Selling, general and administrative expense primarily consists of costs related to the selling and marketing of our products, including sales incentives and advertising expenses and costs associated with our finance, accounting, legal (excluding accrued contingent liabilities), human resources and administrative personnel. Related costs associated with these functions, such as attorney and accounting fees, recruiting services, administrative services, insurance, public relations and communication activities, marketing programs and trade show appearances, travel, customer service costs, safety equipment purchases and cleaning and allocated costs including facilities and information technology, are also included in selling, general and administrative expenses.

We expect to incur additional selling, general and administrative expenses due to continued investment in our sales, marketing and customer service efforts to support the anticipated growth of our business. We also expect increased infrastructure costs, as well as increased costs for accounting, human resources, legal including litigation-related fees and contingency payments, insurance and investor relations. We also expect allocated facilities costs to increase in future periods as a result of higher costs associated with the expansion to our global headquarters and research and development center in Pleasanton, California. As a result of these and other initiatives, we expect selling, general and administrative expenses to vary from period to period as a percentage of revenue and increase in absolute dollars in future periods. We expect our stock-based compensation expense allocated to cost of revenue, research and development expenses and selling, general and administrative expenses to increase in absolute dollars.

Accrued contingent liabilities

In 2021 and 2020, accrued contingent liabilities were comprised of the original charge, estimated royalties and interest charges primarily related to our litigation with Bio-Rad Laboratories, Inc. We did not incur any accrued contingent liabilities in 2022.

Interest income

Interest income consists of interest earned on our cash and cash equivalents which are invested in bank deposit, in money market funds and from our investments in marketable securities.

Other income (expense), net

Other income (expense), net primarily consists of realized and unrealized gains and losses related to foreign exchange rate remeasurements.

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Provision for income taxes

Our provision for income taxes consists primarily of foreign taxes and state taxes in the United States. As we expand the scale and scope of our international business activities, any changes in the United States and foreign taxation of such activities may increase our overall provision for income taxes in the future.

As of December 31, 2022, we had federal net operating loss carryforwards (“NOLs”) of $717.0 million and federal tax credit carryforwards of $59.0 million. Our federal NOLs generated after January 1, 2018, which total $708.5 million, are carried forward indefinitely, while all of our other federal NOLs and tax credit carryforwards expire beginning in 2033. As of December 31, 2022, we had state NOLs of $375.7 million, which expire beginning in 2033. In addition, we had state tax credit carryforwards of $46.6 million, which carry forward indefinitely. Our ability to utilize such carryforwards for income tax savings is subject to certain conditions and may be subject to certain limitations in the future due to ownership changes. As such, there can be no assurance that we will be able to utilize such carryforwards. We have experienced a history of losses and a lack of future taxable income would adversely affect our ability to utilize these NOLs and research and development credit carryforwards. We currently maintain a full valuation allowance against these tax assets.

Under Sections 382 and 383 of the Internal Revenue Code of 1986, as amended (the “Code”), if a corporation undergoes an “ownership change,” the corporation’s ability to use its pre-change net operating loss carryforwards and other pre-change attributes, such as research tax credits, to offset its post-change income may be limited. In general, an “ownership change” will occur if there is a cumulative change in our ownership by “5% shareholders” that exceeds 50 percentage points over a rolling three-year period. Similar rules may apply under state tax laws. The annual limitation generally is determined by multiplying the value of our stock at the time of such ownership change (subject to certain adjustments) by the applicable long-term tax-exempt rate. Such limitations may result in expiration of a portion of the NOL carryforwards before utilization. We completed a study through October 31, 2022 to determine whether an ownership change had occurred under Section 382 or 383 of the Code, and we determined that an ownership change occurred in 2013. As a result, our net operating losses generated through November 1, 2013 may be subject to limitation under Section 382 of the Code. In addition, certain attributes attributable to ReadCoor are subject to annual limitations as a result of our acquisition of ReadCoor, which constituted an ownership change of ReadCoor. Such limitations may result in expiration of a portion of our net operating loss carryforwards or other tax attributes before utilization. Our ability to use net operating loss carryforwards, research and development credit carryforwards and other tax attributes to reduce future taxable income and liabilities may be further limited as a result of future changes in stock ownership. As a result, if we earn net taxable income, our ability to use our pre-change net operating loss carryforwards or other pre-change tax attributes to offset United States federal and state taxable income may still be subject to limitations, which could potentially result in increased future tax liability to us.

Results of Operations

In this section, we discuss the results of our operations for the year ended December 31, 2022 compared to the year ended December 31, 2021. For a discussion of the year ended December 31, 2021 compared to the year ended December 31, 2020, please refer to Part II, Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2021.

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Revenue

Revenue increased $25.9 million, or 5%, for the year ended December 31, 2022 as compared to year ended December 31, 2021. Instrument revenue increased $7.9 million, or 12%, to $72.4 million for the year ended December 31, 2022 as compared to the year ended December 31, 2021, primarily due to higher volume of instruments sold including our newly introduced Visium CytAssist and Xenium instruments. The number of instruments sold during the year ended December 31, 2022 was 1,119 units and the cumulative instruments sold since inception was 4,630 units. Consumables revenue increased $16.8 million, or 4%, to $435.6 million for the year ended December 31, 2022 as compared to the year ended December 31, 2021, primarily driven by higher volume of instruments sold, partially offset by decreased demand due to limited laboratory productivity arising from the continued impact of the global COVID-19 pandemic, including lockdowns in China.

Cost of revenue, Gross Profit and Gross Margin

Cost of revenue increased $46.3 million, or 62%, for the year ended December 31, 2022 as compared to the year ended December 31, 2021. The increase was primarily driven by a one-time reversal of $14.7 million of accrued royalties resulting from

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the Settlement and Patent Cross License Agreement with Bio-Rad Laboratories, Inc. (the "Bio-Rad Agreement") during the year ended December 31, 2021, $19.7 million from higher manufacturing costs due to increased sales and higher costs of newly introduced products, $5.1 million of higher inventory scrap and excess and obsolete inventory charges, $3.7 million of higher warranty costs and $3.1 million of higher royalty expenses.

Operating Expenses

Research and development expense increased $53.9 million, or 25%, for the year ended December 31, 2022 as compared to the year ended December 31, 2021. The increase was primarily driven by an increase in personnel expenses of $34.8 million, including $17.2 million in stock-based compensation expense and $1.4 million in restructuring expense, higher costs of laboratory materials and supplies of $4.6 million used to support our research and development efforts, $11.2 million of higher costs for facilities and information technology to support operational expansion, higher consulting and professional services of $1.1 million for product development and $0.9 million of higher depreciation.

Selling, general and administrative expenses increased $40.7 million, or 16%, for the year ended December 31, 2022 as compared to the year ended December 31, 2021. The increase was primarily driven by increased personnel expenses of $50.3 million, including $21.6 million in stock-based compensation expense and $2.5 million in restructuring expense, $3.1 million of higher costs for facilities and information technology to support operational expansion, partially offset by decreased outside legal expenses of $7.7 million, $3.8 million of consulting and professional services and $2.5 million of lower marketing expenses related to conferences and seminars.

Other Income (Expense), Net

Interest income increased by $6.4 million for the year ended December 31, 2022 as compared to the year ended December 31, 2021. The increase was primarily due to interest income generated from our cash equivalents and marketable securities during the year ended December 31, 2022 and an increase in interest rates.

Interest expense decreased by $0.4 million, or 45%, for the year ended December 31, 2022 as compared to the year ended December 31, 2021 driven primarily by lower interest expense recognized on accrued license fees.

The change in other income (expense), net for the year December 31, 2022 as compared to the year ended December 31, 2021 was driven by realized and unrealized losses from foreign currency rate measurement fluctuations.

Provision for Income Taxes

The Company’s provision for income taxes was $4.0 million and $4.5 million, respectively, for the year ended December 31, 2022 as compared to the year ended December 31, 2021. The provision for income taxes for the years ended December 31, 2022 and 2021 consists primarily of foreign taxes. Deferred tax assets related to our domestic operations are fully offset by a valuation allowance.

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Liquidity and Capital Resources

As of December 31, 2022, we had approximately $430.0 million in cash and cash equivalents, and marketable securities which were primarily held in U.S. banks. Short-term restricted cash of $2.6 million and long-term restricted cash of $5.0 million primarily serves as collateral for outstanding letters of credit for facilities. We have generated negative cumulative cash flows from operations since inception through the year ended December 31, 2022, and we have generated losses from operations since inception as reflected in our accumulated deficit of $1.0 billion.

We currently anticipate making aggregate capital expenditures of between approximately $60 million and $70 million during the next 12 months, the majority of which we expect to incur for construction costs of the facilities on our property in Pleasanton, California in the first half of 2023, as well as other global facilities and equipment to be used for manufacturing and research and development.

Our future capital requirements will depend on many factors including our revenue growth rate, research and development efforts, investments in or acquisitions of complementary or enhancing technologies or businesses, the impacts of the COVID-19 pandemic, the timing and extent of additional capital expenditures to invest in existing and new facilities, the expansion of sales and marketing and international activities and the introduction of new products. We take a long-term view in growing and scaling our business and we regularly review acquisition and investment opportunities, and we may in the future enter into arrangements to acquire or invest in businesses, real estate, services and technologies, including intellectual property rights, and any such acquisitions or investments could significantly increase our capital needs. We regularly review opportunities that meet our long-term growth objectives.

While we expect to continue to incur operating losses for the foreseeable future due to the investments we intend to make, we believe that our existing cash and cash equivalents and cash generated from sales of our products will be sufficient to meet our anticipated cash needs for at least the next 12 months. However, our liquidity assumptions may prove to be incorrect, and we could exhaust our available financial resources sooner than we currently expect. We intend to continue to evaluate market conditions and may in the future pursue additional sources of funding, such as mortgage or other financing, to further enhance our financial position and to execute our business strategy. In addition, should prevailing economic, financial, business or other factors adversely affect our ability to meet our operating cash requirements, we could be required to obtain funding though traditional or alternative sources of financing. We cannot be certain that additional funds would be available to us on favorable terms when required, or at all.

Sources of liquidity

Since our inception, we have financed our operations and capital expenditures primarily through sales of convertible preferred stock and common stock, revenue from sales of our products and the incurrence of indebtedness. In September 2019, we completed our initial public offering for aggregate proceeds of $410.8 million, net of offering costs, underwriter discounts and commissions. In September 2020, we completed a public offering of our Class A common stock for aggregate proceeds of $482.3 million, net of offering costs, underwriting discounts and commissions.

Cash flow summary

The following table summarizes our cash flows for the periods indicated:

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Operating activities

The net cash used in operating activities of $33.6 million for the year ended December 31, 2022 was due primarily to a net loss of $166.0 million, net cash outflow from changes in operating assets and liabilities of $39.4 million, partially offset by stock-based compensation expense of $136.8 million, depreciation and amortization of $25.4 million, amortization of leased right-of-use assets of $7.6 million, loss on disposal of property and equipment of $1.1 million and amortization of premium and accretion of discount on marketable securities, net of $0.9 million. The net cash outflow from operating assets and liabilities was primarily due to an increase in inventory of $21.2 million due to anticipated demand including new product introductions and supply chain management, an increase in accounts receivable of $18.9 million primarily due to increase in revenue and timing of collections, a decrease of $6.4 million due to payment of operating lease liabilities, an increase in prepaid expenses and other current assets of $4.5 million and a decrease in other noncurrent liabilities of $2.9 million. The net cash outflow from operating assets and liabilities was partially offset by an increase in accounts payable of $5.9 million due to timing of vendor payments, an increase in deferred revenue of $3.4 million, an increase in accrued expenses and other current liabilities of $3.3 million, an increase in accrued compensation and other related benefits of $1.1 million and a decrease in other noncurrent assets of $0.9 million.

The net cash used in operating activities of $21.4 million for the year ended December 31, 2021 was due primarily to a net loss of $58.2 million, net cash outflow from changes in operating assets and liabilities of $87.4 million, partially offset by stock-based compensation expense of $96.0 million, depreciation and amortization of $21.1 million and amortization of leased right-of-use assets of $7.1 million. The net cash outflow from operating assets and liabilities was primarily due to a decrease in accrued contingent liabilities of $44.2 million, of which $29.4 million was paid as cash settlement arising from the Bio-Rad Agreement, an increase in accounts receivable of $34.0 million due to an increase in sales, an increase in inventory of $30.1 million due to build of inventory to meet anticipated demand, a decrease in other noncurrent liabilities of $4.7 million, an increase in prepaid expenses and other current assets of $1.1 million, a decrease of $2.5 million in payment of operating lease expenses and a decrease in accrued expenses and other current liabilities of $0.9 million due to the timing of payments including license fees. The net cash outflow from operating assets and liabilities was partially offset by an increase in accrued compensation and other related benefits of $16.3 million, an increase in accounts payable of $11.1 million due to higher operational spending and timing of vendor payments, a decrease in deferred revenue of $1.5 million and a decrease in other noncurrent assets of $1.0 million.

Investing activities

The net cash used in investing activities of $350.9 million in the year ended December 31, 2022 was due to purchases of marketable securities of $282.9 million, purchases of property and equipment of $131.7 million and payment of acquisition-related holdback cash and contingent consideration of $4.0 million, partially offset by proceeds from sales and maturities of marketable securities of $49.1 million and $18.5 million, respectively.

The net cash used in investing activities of $106.7 million in the year ended December 31, 2021 was due to purchases of property and equipment of $101.3 million including the purchase of land for $28.1 million and cash paid for the acquisition of Tetramer Shop of $5.5 million.

Financing activities

The net cash provided by financing activities of $15.8 million in the year ended December 31, 2022 was primarily from proceeds of $21.2 million from the issuance of common stock from the exercise of stock options and employee stock purchase plan purchases partially offset by payments on financing arrangements of $5.4 million.

The net cash provided by financing activities of $35.3 million in the year ended December 31, 2021 was primarily from proceeds of $40.3 million from the issuance of common stock from the exercise of stock options and employee stock purchase plan purchases partially offset by payments on financing arrangements of $5.0 million.

Critical Accounting Estimates

Our consolidated financial statements and the related notes thereto included elsewhere in this Annual Report are prepared in accordance with GAAP. The preparation of consolidated financial statements also requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue, costs and expenses and related disclosures. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances. Actual results could differ significantly from our estimates. To the extent that there are differences between our estimates and actual results, our future financial statement presentation, financial condition, results of operations and cash flows will be affected.

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We believe that the accounting estimates described below involve a significant degree of judgment and complexity. Accordingly, we believe these are the most critical to aid in fully understanding and evaluating our consolidated financial condition and results of operations. For further information, see Note 2 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report.

Revenue recognition

We generate revenue from sales of products and services, and our products consist of instruments and consumables. Revenue from product sales is recognized when control of the product is transferred, which is generally upon shipment to the customer. Instrument service agreements, which relate to extended warranties, are typically entered into for one-year terms, following the expiration of the standard one-year warranty period. Revenue for extended warranties is recognized ratably over the term of the extended warranty period as a stand ready performance obligation. Revenue is recorded net of discounts, distributor commissions and sales taxes collected on behalf of governmental authorities. Customers are invoiced generally upon shipment, or upon order for services, and payment is typically due within 45 days. Cash received from customers in advance of product shipment or providing services is recorded as a liability. Our contracts with our customers generally do not include rights of return or a significant financing component.

We regularly enter into contracts that include various combinations of products and services which are generally distinct and accounted for as separate performance obligations. The transaction price is allocated to each performance obligation in proportion to its standalone selling price. We determine standalone selling price using average selling prices with consideration of current market conditions. If the product or service has no history of sales or if the sales volume is not sufficient, we rely upon prices set by management, adjusted for applicable discounts.

Inventory

Inventory is recorded at the lower of cost, determined on a first-in, first-out basis, or net realizable value. We use judgment to analyze and determine if the composition of our inventory is obsolete, slow-moving or unsalable and frequently review such determinations. We write down specifically identified unusable, obsolete, slow-moving or known unsalable inventory in the period that it is first recognized by using a number of factors including product expiration dates, open and unfulfilled orders and sales forecasts. Any write-down of inventory to net realizable value establishes a new cost basis and will be maintained even if certain circumstances suggest that the inventory is recoverable in subsequent periods. Costs associated with the write-down of inventory are recorded to cost of revenue on our consolidated statements of operations. We make assumptions about future demand, market conditions and the release of new products that may supersede old ones. However, if actual market conditions are less favorable than anticipated, additional inventory write-downs could be required.

Stock-based compensation

Our stock-based compensation relates to stock options, restricted stock units (“RSUs”), market-based performance stock awards ("PSAs") including performance stock options and performance RSUs granted pursuant to equity incentive plans and stock purchase rights under an Employee Stock Purchase Plan (“ESPP”). Stock-based compensation expense for stock-based awards are based on their grant date fair value. We determine the fair value of RSUs based on the closing price of our stock price, which is listed on Nasdaq Stock Market LLC, at the date of the grant. We estimate the fair value of stock option awards under an equity incentive plan and stock purchase right under an ESPP on the grant date using the Black-Scholes option-pricing model. The fair values of stock-based awards, excluding PSAs, are recognized as compensation expense on a straight-line basis over the requisite service period in which the awards are expected to vest and forfeitures are recognized as they occur.

The Black-Scholes model considers several variables and assumptions in estimating the fair value of stock-based awards. These variables include the per share fair value of the underlying common stock, exercise price, expected term, risk-free interest rate, expected annual dividend yield and the expected stock price volatility over the expected term. We calculate the expected term using the simplified method, which is the mid-point between the vesting and contractual term. We determine expected volatility using the historical volatility of the stock price of similar publicly traded peer companies. The risk-free interest rate is based on the yield available on U.S. Treasury zero-coupon issues similar in duration to the expected term of the equity-settled award.

During the year ended December 31, 2022, we issued market-based performance stock awards ("PSAs") comprising of performance stock options and performance restricted stock units. The PSAs consist of three separate tranches and the vesting of each tranche is subject to the Class A common stock closing price being maintained at or above the predetermined share price goals of $60, $80 and $105 for each tranche, respectively, for a period of 20 consecutive trading days. The share price goals can

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be met any time prior to the fourth anniversary of the date of grant. We estimated the value of the PSA awards granted in the year ended December 31, 2022 to be approximately $16.0 million using a Monte Carlo simulation model, using assumptions including volatility, risk-free interest rate, cost of equity and dividends. We will recognize the compensation expense over the derived service period using the accelerated attribution method commencing on the grant date. The derived service period is the median duration of the successful stock price paths to meet the price goal for each tranche as simulated in the Monte Carlo valuation model. If the related market condition is achieved earlier than its estimated derived service period, the stock-based compensation expense will be accelerated, and a cumulative catch-up expense will be recorded during the period in which the market condition is met.

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

You should read the following discussion of our financial condition and results of operations in conjunction with our audited consolidated financial statements and the related notes and other financial information included elsewhere in this Annual Report and our audited consolidated financial statements and notes thereto.

As discussed in the section titled “Special Note Regarding Forward Looking Statements,” the following discussion and analysis, in addition to historical financial information, contains forward-looking statements that involve risks and uncertainties. Our actual results could differ materially from those anticipated in these forward-looking statements as a result of various factors, including those set forth in the section titled “Risk Factors” under Part I, Item 1A above.

We operate on a fiscal year that ends on December 31.

Overview

We are a life sciences technology company focused on building innovative products and solutions to interrogate, understand and master biological systems at resolution and scale that matches the complexity of biology. Our expanding suite of offerings leverages our cross-functional expertise across biology, chemistry, software and hardware to provide a comprehensive, dynamic and high-resolution view of complex biological systems. We have launched multiple products that enable researchers to understand and interrogate biological analytes in their full biological context. Our commercial product portfolio leverages our Chromium Controller, Chromium Connect and Chromium X Series, which we refer to as “Chromium instruments” or “instruments,” and our proprietary microfluidic chips, slides, reagents and other consumables for our Visium solution, which does not require an instrument, and our Chromium solution, which we refer to as “consumables.” We bundle our software with these products to guide customers through the workflow, from sample preparation through analysis and visualization. Since launching our first product in mid-2015, and as of December 31, 2021, cumulatively we have sold 3,511 instruments to customers around the world, including all of the top 100 global research institutions as ranked by Nature in 2020 based on publications and all of the top 20 global biopharmaceutical companies by 2020 research and development spend.

Our products cover a wide variety of applications and allow researchers to analyze biological systems at fundamental resolutions and on massive scales, such as at the single cell level for millions of cells. Our Chromium instruments and Chromium consumables are designed to work together exclusively. After buying a Chromium instrument, customers purchase consumables from us for use in their experiments. In addition to our Chromium products, we also sell Visium consumables which do not require a 10x Genomics instrument. In addition to instrument and consumable sales, we derive revenue from post-warranty service contracts for our Chromium instruments.

We focus a substantial portion of our resources on developing new products and solutions. Our research and development efforts are centered around improving the performance of our existing assays and software, developing new Chromium solutions such as multi-omics solutions, developing our Visium platform, improving and developing new capabilities for our Chromium platform, developing combined software and workflows across multiple solutions and investigating new technologies including the development of our forthcoming Xenium platform for in situ analysis. We intend to make significant investments in this area for the foreseeable future. In 2021, we acquired Tetramer Shop, a life sciences technology company which develops and provides reagents for precise monitoring of antigen-specific T-cells in research and development.

Historically, we have financed our operations primarily from the sale of our instruments and consumable products, the issuance and sale of our convertible preferred stock and common stock and the issuances of debt. On September 16, 2019, we completed an initial public offering and received aggregate net proceeds of $410.8 million. On September 15, 2020, we completed an underwritten follow-on public offering and received aggregate net proceeds of $482.3 million.

Since our inception in 2012, we have incurred net losses in each year. Our net losses were $58.2 million and $542.7 million for the years ended December 31, 2021 and 2020, respectively. As of December 31, 2021, we had an accumulated deficit of $863.3 million and cash and cash equivalents totaling $587.4 million. We expect to continue to incur significant expenses for the foreseeable future and to incur operating losses in the near term. We expect our expenses will increase substantially in connection with our ongoing activities, as we:

•attract, hire and retain qualified personnel;

•scale our technology platforms and introduce new products and services;

•protect and defend our intellectual property;

•acquire businesses or technologies; and

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•invest in processes, tools and infrastructure and facilities to support the growth of our business.

Operational Effectiveness in the COVID-19 Pandemic Environment

Since the World Health Organization ("WHO") declared the global outbreak of COVID-19 to be a pandemic in March 2020, we have operated in an uncertain and disruptive pandemic environment but to date we have successfully maintained our operational effectiveness and COVID-19 has not materially affected our ability to maintain our business operations, including the operation of financial reporting systems, internal control over financial reporting and disclosure controls and procedures. We continue to closely monitor the recent developments surrounding this pandemic and resurgences including, among other developments, local, state, national and global vaccination efforts and the potential impacts of variants.

In response to the pandemic, we have placed and continue to sell instruments and provide reagents to clinicians and researchers around the world working to understand COVID-19 and develop treatments for the disease. Our products are a critical tool for infectious disease research as they allow for a detailed understanding of how the virus causing COVID-19 impacts infected people, how the immune system is mobilized, which immune cells react to pathogens and many other aspects of the disease and potential therapies.

While many of our customers' laboratories were open during 2021, many of our customers have continued to navigate second-order COVID-19 related challenges that we believe have affected our customers’ productivity. Such challenges include the reinstatement of COVID-19 related protocols and restrictions, difficulties hiring, training and retaining laboratory and other personnel, constraints on logistics, shipping and other distribution operations and impediments to procuring materials, equipment and components required for their experiments. Further, we believe COVID-19 has limited the ability of the research community to connect, collaborate, attend conferences and share best practices. We believe these challenges have affected, and we expect will continue to affect, many of our customers' operations. We, our suppliers and our other partners have encountered similar challenges, including difficulties procuring equipment, materials and components necessary to develop, manufacture and distribute our products, but to date we have not experienced any material impacts as a result of such challenges. Because our workflows are expensive and complex and often require fresh samples, coordinated stakeholders and constraint timeframes, we believe our academic customers are particularly impacted by COVID-19 related challenges. The situation remains uncertain, and there is an increased risk in our ability to source equipment, materials and components and deliver our products due to global logistics and supply chain challenges which may negatively impact our business in 2022.

Given the importance of maintaining continuity of our business and continued access to instruments and consumables by our customers, including researchers engaged in the fight against COVID-19, we initiated and continue to adhere to protocols and safety measures at our facilities which have facilitated the safe return to work of many of our personnel and have implemented enhanced efforts to secure our supply chain and distribution network.

By mid-2021, in person commercial and support activities had largely resumed and the majority of our customers' sites were open to in-person meetings with our sales and support teams. During the second half of 2021, some of our customers reinstated pandemic-related protocols due to rising COVID-19 case counts and in some cases closed or limited access to outside visitors, which negatively affected the operations of our sales and support teams at times in this period. While there were increased in-person commercial and support activities at times during the fourth quarter of 2021, the emergence of the omicron variant beginning in November and continuing through the end of the quarter impacted customer orders. In light of these continuing challenges, our sales and marketing teams are supplementing in person sales activities by leveraging digital marketing and sales activities and our customer service teams around the world have been utilizing in person and remote interactions and remain available to assist our customers and partners as needed.

To date, our production, shipping and customer service functions have been operational and we have been able to maintain a continuous supply of products to our customers. We communicate regularly with our suppliers, and while we have seen cases of limited availability of certain equipment, components and materials, any supply chain issues faced by the Company have not yet materially impacted our ability to manufacture and ship our products. With respect to equipment and material supply, we continue to work to secure sufficient equipment and materials to meet anticipated future demand. We are monitoring closely whether there will be a material negative impact due to potential future shortages, price increases from suppliers, labor shortages or other supply chain disruptions as well as disruptions to our logistics, shipping and other distribution operations.

There is considerable uncertainty about the duration of these disruptions. We expect these disruptions to continue to impact our operating results, however, the extent of the financial impact and duration cannot be reasonably estimated at this time. For further discussion of the risks relating to the impacts of the COVID-19 pandemic, see the section titled “Risk Factors,” generally,

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and “Risk Factors—The impacts and potential impacts of the COVID-19 pandemic continues to create significant uncertainty for our business, financial condition and results of operations,” specifically, under Part I, Item 1A.

Acquisitions

On January 8, 2021, we acquired 100% of the outstanding shares of Tetramer Shop ApS, a privately held company based in Copenhagen, Denmark, for $8.5 million in cash, net of cash acquired of $0.2 million. Tetramer Shop ApS develops and provides reagents for precise monitoring of antigen-specific T cells in research and development.

On October 13, 2020, we purchased all of the outstanding shares of ReadCoor, a privately held company based in Cambridge, Massachusetts, for $407.4 million, inclusive of $1.6 million of transaction costs and net of cash acquired of $9.2 million. The total purchase consideration comprised of $101.4 million in cash and $306.0 million in shares of the Company's common stock. ReadCoor is developing In Situ RNA analysis technology, consisting of a suite of proprietary reagents, which aims to enable researchers to visualize spatially resolved RNA expression profiles with sub-cellular resolution throughout fresh frozen or formalin-fixed, paraffin-embedded tissue sections.

On August 21, 2020, we purchased all of the outstanding shares of CartaNA, a privately held company based in Stockholm, Sweden, for $41.8 million, inclusive of $0.6 million of transaction costs and net of cash acquired of $1.5 million. CartaNA is developing In Situ technology, consisting of a suite of proprietary reagents, which aims to enable researchers to visualize spatially resolved RNA expression profiles with sub-cellular resolution throughout fresh frozen or formalin-fixed, paraffin-embedded tissue sections.

See Note 3 to the consolidated financial statements for further details of the above acquisitions.

Key business metrics

We regularly review a number of operating and financial metrics, including cumulative instruments sold and consumable pull-through, to evaluate our business, measure our performance, identify trends affecting our business, formulate financial projections and make strategic decisions. We believe that these metrics are representative of our current business; however, we anticipate these may change or may be substituted for additional or different metrics as our business grows and as we introduce new products.

Cumulative instruments sold

Our products are sold to academic, government, biopharmaceutical, biotechnology and other leading institutions around the globe. Our Chromium Controller and Chromium X Series instruments are user installable and do not require in-person training. Our Chromium Connect instrument requires installation and we offer in-person training for its use. We believe cumulative instruments sold, a metric we previously referred to as our instrument installed base, is one of the indicators of our ability to drive customer adoption of our products. We define cumulative instruments sold as the cumulative number of Chromium instruments, including the Chromium Controller, the Chromium X Series and the Chromium Connect, sold since inception.

Our quarterly instrument unit volumes can fluctuate due to a number of factors, including the procurement and budgeting cycles of many of our customers, especially government and academic institutions where unused funds may be forfeited or future budgets reduced if purchases are not made by their fiscal year end. Similarly, our biopharmaceutical customers typically have calendar year fiscal years which may result in a disproportionate amount of their purchasing activity occurring during our fourth quarter. We also believe the timing of unit sales has been impacted and will continue to be impacted by the timing of product introductions and transitions which can either accelerate or delay demand of existing and new products depending on the needs of individual researchers to conclude existing studies or to use new and improved product capabilities. Further, the growth of our market in certain geographic regions and our continued efforts to service these regions impact unit volumes quarter to quarter. We therefore believe that an annual representation of cumulative instruments sold is most appropriate for assessing trends in our business.

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Chromium consumable pull-through per instrument

Our consumables portfolio includes proprietary microfluidic chips, slides, reagents and other consumables for both our Visium and Chromium solutions. Our Chromium instruments and Chromium consumables are designed to work together exclusively. This Chromium closed-system model generates recurring revenue from each instrument we sell. Historically, growth in cumulative instruments sold has been the largest contributor to our growth in consumable sales. However, in 2021, the lessening impact of the COVID-19 pandemic on our customers' operations also contributed to the growth in consumables as compared to the prior year period. The figures in the table above represent the annual consumable pull-through per instrument for the years ended December 31, 2021 and 2020.

We define consumable pull-through per instrument as the total consumables revenue in the given quarter divided by the average number, during that quarter, of cumulative instruments sold since inception. We calculate the average number of cumulative instruments sold since inception for a given quarter using the number of cumulative instruments sold since inception as of the last day of the prior quarter and the number of cumulative instruments sold since inception as of the last day of the given quarter. We calculate the annual consumable pull-through per instrument figure by summing the quarterly pull-through for the quarters in a given year. We do not believe the consumable pull-through per instrument in an individual quarter is an effective indicator of current business trends as quarterly consumable pull-through can fluctuate due to a number of factors, including the timing of product transitions, budget and funding cycles of our customers, expansion into new global markets and industries, and the impact of the COVID-19 pandemic on our customers' operations.

With the emerging complexity of our product offerings, we believe pull-through per instrument is less relevant today than in past periods given the expanding breadth of our portfolio, and as such, is not representative of trends in our business. For example, some of our customers are purchasing Chromium X Series instruments to replace previously purchased Chromium Controllers. Additionally, certain of our solutions do not require a Chromium instrument, such as our Visium solution, and forthcoming solutions, such as our Xenium platform which is expected to utilize a separate family of 10x Genomics' instruments and not rely on a Chromium instrument for its workflow. Our consumables pull-through is also impacted by additional factors including expanding utilization by our existing customers, the rate of new customer acquisition, the ramp of utilization by new customers and the overall mix of “halo” users and their ordering patterns. As our business, product lines and customer composition have become more complex since adopting this key business metric, we believe that this metric represents an oversimplification of these different drivers and can obscure underlying trends in the business.

Key factors affecting our performance

We believe that our financial performance has been and in the foreseeable future will continue to be primarily driven by the following factors. While each of these factors presents significant opportunities for our business, they also pose important challenges that we must successfully address in order to sustain our growth and improve our results of operations. Our ability to successfully address the factors below is subject to various risks and uncertainties, including those described under the heading “Risk Factors”.

Instrument sales

Management focuses on instrument sales as an indicator of current business success and a leading indicator of likely future sales of consumables. We expect our instrument sales to continue to grow as we increase penetration in our existing markets and expand into, or offer new features and solutions that appeal to new markets.

We plan to grow our instrument sales in the coming years through multiple strategies including expanding our sales efforts globally and continuing to enhance the underlying technology and applications for life sciences research. As part of this strategy and in an effort to increase the rate of sales of our instruments, we increased our sales force by 44% from December 31, 2020 through December 31, 2021, with more than 160 commissionable sales representatives as of December 31, 2021. We regularly solicit feedback from our customers and focus our research and development efforts on enhancing the fleet of Chromium instruments and enabling their ability to use additional applications that address their needs, which we believe in turn helps to drive additional sales of our instruments and consumables. In 2020, we introduced our Chromium Connect instrument, which is an automated version of our current Chromium Controller instrument. We believe the automated features of the Chromium

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Connect will increase our addressable market by increasing utilization by biopharmaceutical customers. In 2021, we introduced our Chromium X Series which consists of the Chromium X, the company’s most powerful instrument yet that delivers routine million cell experiments, and the Chromium iX, an instrument capable of running experiments for tens of thousands of cells seamlessly upgradable to the Chromium X as scientists expand their research projects.

Our sales process varies considerably depending upon the type of customer to whom we are selling. Our sales process with small laboratories and individual researchers is often short, and in some cases, we receive purchase orders from these customers in under a month. Our sales process with other institutions can be longer with most customers submitting purchase orders within six months. Given the variability of our sales cycle, we have in the past experienced, and likely will in the future experience, fluctuations in our instrument sales on a period-to-period basis.

Recurring consumable revenue

We regularly assess trends relating to recurring consumable revenue based on our product offerings, our customer base and our understanding of how our customers use our products. As we sell additional instruments and launch additional consumables solutions, some of which may not require the use of a 10x instrument, consumables revenue on an absolute basis is expected to increase and over time should be an increasingly important contributor to our revenue.

Our annual consumable pull-through per instrument increased in 2021 as a result of 2020 being comparatively more severely impacted by COVID-19. We have reported our Visium product revenue as part of consumable revenue and included it in the average pull-through per instrument calculation. Even though Visium is not processed through a Chromium instrument, we sell the product primarily to Chromium instrument users and view it as pull-through from a business perspective. As our business, product lines and customer composition have become more complex since adopting this key business metric, we believe that annual consumable pull-through per instrument represents an oversimplification of these different drivers and can obscure underlying trends in the business.

Revenue mix and gross margin

Our revenue is derived from sales of our instruments, consumables and services. There have been fluctuations in the mix between instruments and consumables and amongst our consumables. Each of our consumables solutions is designed to allow researchers to study a different aspect of biology, such as DNA, RNA, protein or epigenetics, at a resolution and scale that may be impractical or impossible using existing tools. As each of our solutions has been introduced, they have been initially purchased by a small number of early adopters. As these early adopters successfully perform experiments and publish scientific articles using our solutions, the utility of these solutions is more broadly understood and the solutions are then subsequently adopted by the larger research community. The revenue contribution from these and other consumable products has varied and is expected to vary on a quarterly basis due to several factors, including the publication of scientific papers demonstrating the value of the consumables, the availability of grants to fund research, budgetary timing and our introduction of new product features and new consumables offerings.

For each of the years ended December 31, 2021 and 2020, our Single Cell Gene Expression consumables, which were introduced in 2016, accounted for the majority of our consumables revenue. For the year ended December 31, 2021, the remaining consumables revenue was substantially comprised of sales of our Single Cell Immune Profiling consumables, our Single Cell ATAC consumables, Single Cell Multiome ATAC+Gene Expression solution and Visium. Revenue contribution from our Single Cell Gene Expression and Single Cell Immune Profiling consumables decreased as a percentage of overall consumables revenue while revenue contribution from our Single Cell Multiome ATAC+Gene Expression solution and Visium consumables increased as a percentage of overall consumables revenue for the year ended December 31, 2021. In 2021, we launched four new consumables products for our customers: (1) Our Single Cell Gene Expression Kit with CellPlex which allows researchers to increase sample and cell throughput by enabling multiple samples and higher cell loads to be loaded into each Chromium channel, lowering costs per sample and cost per cell for our customers; (2) Our Single Cell Gene Expression Low Throughput Kit which reduces the startup costs for a single cell experiment and enables a broader base of researchers to conduct single cell analysis; (3) Single Cell Gene Expression High Throughput which is compatible with our Chromium X instrument and enables routine million cell experiments; and (4) Our Visium Spatial Gene Expression for FFPE enabling Visium to be applied to FFPE tissues with similarly high sensitivity and the same spatial resolution as fresh frozen samples.

In addition, our margins are higher for those instruments and consumables that we sell directly to customers as compared to those that we sell through distributors. While we expect the mix of direct sales as compared to sales through distributors to remain relatively constant in the near term, we are currently evaluating increasing our direct sales capabilities in certain geographies.

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In the near term, we expect product mix changes between established products and lower margin new products, and investment in the expansion of manufacturing, warehousing and product distribution facilities to have the greatest impact on our margins. We expect accrued royalties related to the Bio-Rad litigation as described below under “Part II, footnote 7 of Item 8,” will be lower as compared to accrued royalties recognized in prior periods and which will have a modest favorable impact on our margins. We expect this favorable impact to be offset, by lower margin newly introduced products, the resulting product mix and expenses related to our planned increases in manufacturing and distribution capacity in our Pleasanton, California headquarters. In addition to the impact of competing products entering the market, the future margin profiles of our instruments and consumables will depend upon the outcome of such litigation, any royalties we are required to pay and the royalty rates and products to which such royalties apply.

Continued investment in growth

Our significant revenue growth has been driven by rapid innovation towards novel solutions that command price premiums and quick adoption of our solutions by our customer base. In 2021 and 2020, we introduced four new products for each of these years, respectively . We intend to continue to make focused investments to increase revenue and scale operations to support the growth of our business and therefore expect expenses in this area to increase. We have invested, and will continue to invest, significantly in our manufacturing capabilities and commercial infrastructure. The expansion, in 2021, of our Pleasanton global headquarters and research and development center by purchasing additional land adjacent to our headquarters to build additional buildings in anticipation of our continued rapid growth will help us achieve these goals by providing additional manufacturing, research and development and general office space. We plan to further invest in research and development as we hire employees with the necessary scientific and technical backgrounds to enhance our existing products and help us bring new products to market, and we expect to incur additional research and development expenses and higher stock-based compensation expenses as a result. We also plan to invest in sales and marketing activities, and we expect to incur additional general and administrative expenses and to have higher stock-based compensation expenses as we support our growth. As cost of revenue, operating expenses and capital expenditures fluctuate over time, we may experience short-term, negative impacts to our results of operations and cash flows, but we are undertaking such investments in the belief that they will contribute to long-term growth.

Acquisitions of key technologies

We have made, and intend to continue to make, investments that meet management’s criteria to expand or add key technologies that we believe will facilitate the commercialization of new products in the future. Such investments could take the form of an acquisition of a business, asset acquisition or the exclusive or non-exclusive in-license of intellectual property rights. Any such acquisitions we make may affect our future financial results. For example, our 2021 acquisition of Tetramer Shop, which specialized in the development and provision of reagents for precise monitoring of antigen-specific T cells in research and development was accounted for as a business acquisition resulting in capitalization of intangible assets such as developed technology and goodwill. Additionally, our 2020 acquisitions of CartaNA and ReadCoor were largely comprised of purchases of intellectual property which were expensed as in-process research and development in the quarter during which such acquisitions occurred. While we have not previously entered into material joint-development, partnership or joint- venture agreements, we may in the future decide to do so and any such arrangements may limit our rights and the commercial opportunities of any jointly developed technology.

Components of Results of Operations

Revenue

We generate virtually all of our revenue through the sale of our instruments and consumables to customers. We also generate a small portion of our revenue from instrument service agreements which relate to extended warranties. Our revenue is subject to fluctuation based on the foreign currency in which our products are sold, principally for sales denominated in the euro.

Our revenue from consumables includes sales of our Chromium and Visium consumable products. Our Chromium consumables are designed to work exclusively with our Chromium instruments while our Visium consumables do not require the use of a 10x Genomics instrument. Our instruments and consumables are generally sold without the right of return. Revenue is recognized as instruments and consumables are shipped. Revenue is recognized net of any sales incentive, distributor rebates and commissions and any taxes collected from customers. Instrument service agreements are typically entered into for a one-year term, with the coverage period beginning after the expiration of the standard one-year warranty period. Revenue from the sale of instrument service agreements are recognized ratably over the coverage period.

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Cost of revenue, gross profit and gross margin

Cost of revenue.  Cost of revenue primarily consists of manufacturing costs incurred in the production process including personnel and related costs, costs of component materials, manufacturing overhead, packaging and delivery costs and allocated costs including facilities and information technology. We plan to hire additional employees as well as expand our manufacturing, warehousing and product distribution facilities, including increasing manufacturing automation to support our growth. In addition, cost of revenue includes royalty costs for licensed technologies included in our products, warranty costs, provisions for slow-moving and obsolete inventory and personnel and related costs and component costs incurred in connection with our obligations under our instrument service agreements. We record royalty accruals relating to sales of majority of our products as cost of revenue.

Gross profit/gross margin.  Gross profit is calculated as revenue less cost of revenue. Gross margin is gross profit expressed as a percentage of revenue. Our gross profit and gross margins in future periods are expected to fluctuate from quarter to quarter and will depend on a variety of factors, including: market conditions that may impact our pricing; sales mix changes among consumables, instruments and services; product mix changes between established products and new products; excess and obsolete inventories; royalties; our cost structure for manufacturing operations relative to volume; and product warranty obligations. We currently anticipate that we will experience an increase in absolute dollars of both revenue and cost of revenue as we grow our business.

Research and development. Research and development expense primarily consists of personnel and related costs, independent contractor costs, laboratory supplies, equipment maintenance prototype and materials expenses, amortization of developed technology and intangibles and allocated costs including facilities and information technology.

We plan to continue to invest significantly in our research and development efforts, including hiring additional employees, to enhance existing products and develop new products. In addition to making investments in next generation products for single cell and spatial analysis, our ReadCoor and CartaNA acquisitions which when combined with internal innovations will form the basis of our forthcoming Xenium In Situ Analysis Platform. We also expect allocated facilities and information technology costs to increase in future periods as a result of higher costs associated with the expansion to our global headquarters and research and development center in Pleasanton, California. As a result of these and other initiatives, we expect research and development expense will increase in absolute dollars in future periods and vary from period to period as a percentage of revenue.

In-process research and development. In-process research and development consists of costs incurred to acquire intellectual property for research and development. We expect these costs to be recognized only in periods during which we complete an acquisition of assets comprised in whole or part of intellectual property for research and development. While we periodically evaluate acquisitions of this nature from time to time, we have no definitive agreements currently in place to acquire additional intellectual property for research and development.

Selling, general and administrative. Selling, general and administrative expense primarily consists of costs related to the selling and marketing of our products, including sales incentives and advertising expenses and costs associated with our finance, accounting, legal (excluding accrued contingent liabilities), human resources and administrative personnel. Related costs associated with these functions, such as attorney and accounting fees, recruiting services, administrative services, insurance, public relations and communication activities, marketing programs and trade show appearances, travel, customer service costs, costs associated with COVID-19 screening, safety equipment purchases and cleaning and allocated costs including facilities and information technology, are also included in selling, general and administrative expenses.

We expect to incur additional selling, general and administrative expenses due to continued investment in our sales, marketing and customer service efforts to support the anticipated growth of our business. We also expect increased infrastructure costs, as well as increased costs for accounting, human resources, legal including litigation-related fees and contingency payments, insurance and investor relations. We expect to continue our hiring, in the United States as well as internationally, in all these areas in line with the continued growth of our business. We also expect allocated facilities costs to increase in future periods as a result of higher costs associated with the expansion to our global headquarters and research and development center in Pleasanton, California. As a result of these and other initiatives, we expect selling, general and administrative expenses to vary from period to period as a percentage of revenue and increase in absolute dollars in future periods. We expect our stock-based compensation expense allocated to cost of revenue, research and development expenses and selling, general and administrative expenses to increase in absolute dollars.

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Accrued contingent liabilities

Accrued contingent liabilities which comprised of the original charge, estimated royalties and interest charges primarily relating to our litigation with Bio-Rad was settled in July 2021 as discussed above under “Part II, footnote 7 of Item 8.”

Interest income

Interest income consists of interest earned on our cash and cash equivalents which are invested in bank deposit and in money market funds.

Interest expense

Interest expense consists primarily of interest on our accrued license fees and outstanding debt which was fully repaid on February 20, 2020. See Note 5 to the consolidated financial statements for further details.

Other income (expense), net

Other income (expense), net primarily consists of realized and unrealized gains and losses related to foreign exchange rate remeasurements.

Provision for income taxes

Our provision for income taxes consists primarily of foreign taxes and state taxes in the United States. As we expand the scale and scope of our international business activities, any changes in the United States and foreign taxation of such activities may increase our overall provision for income taxes in the future.

As of December 31, 2021, we had federal net operating loss carryforwards (“NOLs”) of $818.0 million and federal tax credit carryforwards of $45.8 million. Our federal NOLs generated after January 1, 2018, which total $703.1 million, are carried forward indefinitely, while all of our other federal NOLs and tax credit carryforwards expire beginning in 2033. As of December 31, 2021, we had state NOLs of $372.5 million, which expire beginning in 2033. In addition, we had state tax credit carryforwards of $35.3 million, which do not expire. Our ability to utilize such carryforwards for income tax savings is subject to certain conditions and may be subject to certain limitations in the future due to ownership changes. As such, there can be no assurance that we will be able to utilize such carryforwards. We have experienced a history of losses and a lack of future taxable income would adversely affect our ability to utilize these NOLs and research and development credit carryforwards. We currently maintain a full valuation allowance against these tax assets.

Under Sections 382 and 383 of the Internal Revenue Code of 1986, as amended (the “Code”), if a corporation undergoes an “ownership change,” the corporation’s ability to use its pre-change net operating loss carryforwards and other pre-change attributes, such as research tax credits, to offset its post-change income may be limited. In general, an “ownership change” will occur if there is a cumulative change in our ownership by “5% shareholders” that exceeds 50 percentage points over a rolling three-year period. Similar rules may apply under state tax laws. The annual limitation generally is determined by multiplying the value of our stock at the time of such ownership change (subject to certain adjustments) by the applicable long-term tax-exempt rate. Such limitations may result in expiration of a portion of the NOL carryforwards before utilization. We completed a study through October 31, 2021 and besides the ownership change resulting in a limitation on NOLs generated before November 1, 2013 no other limitations on the use of carryover attributes exist. Our ability to use net operating loss carryforwards, research and development credit carryforwards and other tax attributes to reduce future taxable income and liabilities may be further limited as a result of future changes in stock ownership. As a result, if we earn net taxable income, our ability to use our pre-change net operating loss carryforwards or other pre-change tax attributes to offset United States federal and state taxable income may still be subject to limitations, which could potentially result in increased future tax liability to us. In addition, certain attributes are subject to an annual limitation as a result of the acquisition of our Subsidiary ReadCoor, which constitutes a change of ownership as defined under Internal Revenue Code Section 382.

Results of Operations

In this section, we discuss the results of our operations for the year ended December 31, 2021 compared to the year ended December 31, 2020. For a discussion of the year ended December 31, 2020 compared to the year ended December 31, 2019, please refer to Part II, Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2020.

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Revenue

Revenue increased $191.6 million, or 64%, for the year ended December 31, 2021 as compared to year ended December 31, 2020. The increase was driven primarily by an increase in consumables and instruments revenue. Consumables revenue increased $166.1 million, or 66%, to $418.7 million for the year ended December 31, 2021 as compared to the year ended December 31, 2020. The increase in consumables revenue was primarily driven by growth in instrument sales and higher demand for our products, in part due to a lessening impact on our customers' operations related to the COVID-19 pandemic compared to the prior year. We experienced continued increases in revenue from our Single Cell Multiome ATAC+Gene Expression and Visium Spatial Gene Expression consumable products.

Instrument revenue increased $24.3 million, or 61%, to $64.5 million for the year ended December 31, 2021 as compared to the year ended December 31, 2020 due to an increase in number of units sold. We believe consumables and instrument revenues for 2020 were adversely impacted by customer lab closures due to the impact of the COVID-19 pandemic. The number of instruments sold during the year ended December 31, 2021 1,099 units, an increase of 46% as compared to the prior year, resulted in a total of 3,511 cumulative instruments sold since inception. Revenue for the year ended December 31, 2021 include sales of our newly introduced Chromium X Series instruments.

Service revenue increased $1.2 million, or 21%, to $7.3 million for the year ended December 31, 2021 as compared to the year ended December 31, 2020 primarily due to an increase in the number of units coming off warranty.

We largely rely on research activities in both academic institutions and government laboratories for our revenue. While many of our customers' laboratories were open during 2021, some had to reinstate COVID-19 related protocols and restrictions

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and many of our customers continued to navigate second-order COVID-19 related challenges that we believe have affected our customers’ productivity. Such challenges include difficulties hiring, training and retaining laboratory and other personnel, constraints on logistics, shipping and other distribution operations and impediments to procuring materials, equipment and components required for their experiments. Further, we believe COVID-19 has limited the ability of the research community to connect, collaborate, attend conferences and share best practices which has been essential to the growth in utilization of our products.

We believe these challenges have affected, and we expect will continue to affect, many of our customers' operations. We, our suppliers and our other partners have encountered similar challenges, including difficulties procuring equipment, materials and components necessary to develop, manufacture and distribute our products, but to date we have not experienced any material impacts as a result of such challenges. The situation remains uncertain, and there is an increased risk in our ability to source equipment, materials and components and deliver our products due to global logistics and supply chain challenges which may negatively impact our business in 2022. Once all labs are able to resume normal levels of research activities on a continual basis and supply chain disruptions, logistics, shipping and other distribution disruptions and labor shortages are resolved, we expect to see increased demand for our products.

Cost of revenue, Gross Profit and Gross Margin

Cost of revenue increased $15.6 million, or 27%, for the year ended December 31, 2021 as compared to the year ended December 31, 2020. The increase was primarily due to $31.1 million from higher sales, including newly introduced products, $4.0 million of inventory scrap and excess and obsolete inventory charges, $2.1 million of warranty costs and $0.6 million of amortization of developed technology resulting from the acquisition of Tetramer Shop, partially offset by lower accrued royalties of $20.0 million related to the Settlement and Patent Cross License Agreement (the "Bio-Rad Agreement") with Bio-Rad Laboratories, Inc., including a one-time reversal of $14.7 million of accrued royalties arising from the Bio-Rad Agreement, a decrease of $1.9 million of costs related to ramping our second manufacturing facility and no idle manufacturing capacity charges incurred in 2021 as compared to $0.8 million in the prior year.

Gross profit increased $176.0 million, or 73% primarily due to higher revenue and lower accrued royalties related to the Bio-Rad Agreement including a one-time reversal of $14.7 million of accrued royalties. Gross margin percentage increased by 5 points for the year ended December 31, 2021 as compared to the year ended December 31, 2020 primarily due to lower accrued royalties related to the Bio-Rad Agreement and no idle manufacturing capacity charges incurred during 2021 as compared to $0.8 million incurred in 2020, partially offset by less favorable product mix with newly introduced products. We expect our gross margin will trend slightly lower during the year due in part to less favorable product mix with newly introduced products.

Upon the onset of the pandemic in March 2020 and through a majority of the second quarter of 2020, the vast majority of academic and government labs around the world suspended or severely reduced operations in compliance with stay-at-home, shelter-in-place and similar orders which resulted in a decrease in overall demand during this period. However, beginning in

June 2020, we observed a modest re-opening of labs for general research which continued throughout the second half of 2020 resulting in an uptick in our sales activity during this period. In 2021, we saw a lessening impact the COVID-19 pandemic on our customers' operations which resulted in higher demand for our products as compared to the prior year period. The decrease in demand resulted in our production facilities running at less than normal capacity negatively impacting our gross margin in the second quarter of 2020 and 2020 as compared to 2021.

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Operating Expenses

Research and development expense increased $88.4 million, or 72%, for the year ended December 31, 2021 as compared to the year ended December 31, 2020. The increase was primarily driven by increased personnel expenses of $52.8 million, including $22.3 million in stock-based compensation expense, laboratory materials, supplies and expensed equipment of $19.4 million used to support our research and development efforts, $10.4 million of higher allocated costs for facilities and information technology to support operational expansion and $3.6 million of higher consulting and professional services for product development.

In-process research and development expense for the year ended December 31, 2020 relates to intellectual property we purchased in connection with our acquisition of ReadCoor and CartaNA. In connection with these asset acquisitions, we recognized in-process research and development intangible assets of $406.9 million and $40.6 million, respectively, which did not have alternative future use and therefore was recognized as an expense during this period. See Note 3 to the consolidated financial statements for further details. There were no similar purchases in the year ended December 31, 2021.

During the first half of 2020, the COVID-19 pandemic resulted in a decrease in certain research laboratory activities, and as a result we incurred lower materials spending. Our research and development activities have increased in the second half of 2020 and 2021, and we expect our research development activities and expenditures to continue to increase in 2022 and beyond as we increase our level of investment to support new and existing projects.

Selling, general and administrative expenses increased $55.2 million, or 27%, for the year ended December 31, 2021 as compared to the year ended December 31, 2020. The increase in expenses was primarily driven by increased personnel expenses of $55.7 million, including $23.3 million in stock-based compensation expense, $9.2 million of higher allocated costs for facilities and information technology to support the general expansion of our operations, $9.1 million of marketing expenses related to conferences and seminars, partially offset by a decrease in outside legal expenses of $18.6 million.

We expect our operating expenses to significantly increase in 2022 due to our continuing investments in the growth of our business and increased stock based compensation expense.

Accrued contingent liabilities decreased by $1.9 million, or 152%, for the year ended December 31, 2021 as compared to the year ended December 31, 2020. The decrease was primarily due to a one-time reversal of accrued interest arising from the Bio-Rad Agreement. See Note 7 to the consolidated financial statements for further details.

Other Income (Expense), Net

Interest income decreased by $1.3 million, or 87%, for the year ended December 31, 2021 as compared to the year ended December 31, 2020. The decrease was primarily due to lower interest rates in 2021.

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Interest expense decreased by $0.8 million, or 49%, for the year ended December 31, 2021 as compared to the year ended December 31, 2020. The decrease was driven primarily by the repayment of our term loan in February 2020.

Other (expense) income, net was comprised of realized and unrealized losses from foreign currency rate measurement fluctuations for the year December 31, 2021 as compared to net gains for the year ended December 31, 2020.

Loss on extinguishment of debt was $1.5 million for the year ended December 31, 2020. In February 2020, we repaid the remaining balance on our term loan, an end-of-term payment and prepayment fees.

Provision for Income Taxes

The Company’s provision for income taxes was $4.5 million and $8.3 million, respectively, for the year ended December 31, 2021 as compared to the year ended December 31, 2020. The provision for income taxes for the years ended December 31, 2021 and 2020 consists primarily of foreign taxes. Deferred tax assets related to our domestic operations are fully offset by a valuation allowance.

Liquidity and Capital Resources

As of December 31, 2021, we had approximately $587.4 million in cash and cash equivalents which were primarily held in U.S. bank deposit accounts and money market funds, $85.3 million in accounts receivable and an accumulated deficit of $863.3 million. Short-term restricted cash of $1.0 million and long-term restricted cash of $7.6 million primarily serves as collateral for outstanding letters of credit for facilities. We have generated negative cumulative cash flows from operations since inception through the year ended December 31, 2021, and we have generated losses from operations since inception as reflected in our accumulated deficit of $863.3 million. We expect to continue to incur operating losses for the foreseeable future due to investments we intend to make and as a result we may require additional capital resources to execute strategic initiatives to grow our business. We expect this may include accessing alternative sources of financing for the expansion of our headquarters in Pleasanton, such as mortgage financing or a capital partner.

We currently anticipate making aggregate capital expenditures of between approximately $200 million and $225 million during the next 12 months, approximately two thirds of which we expect to incur for construction costs of the facilities on the land we purchased in Pleasanton, California, as well as other global facilities and equipment to be used for manufacturing and research and development, the sources of which may include external funding such as mortgage financing or a capital partner. In the normal course of operations, we enter into certain contractual obligations and commitments. See Note 7 of our consolidated financial statements for additional details regarding commitments and contingencies.

Our future capital requirements will depend on many factors including our revenue growth rate, research and development efforts, investments in or acquisitions of complementary or enhancing technologies or businesses, the impacts of the COVID-19 pandemic, the timing and extent of additional capital expenditures to invest in existing and new facilities, the expansion of sales and marketing and international activities and the introduction of new products. We take a long-term view in growing and scaling our business and we regularly review acquisition and investment opportunities, and we may in the future enter into arrangements to acquire or invest in businesses, real estate, services and technologies, including intellectual property rights, and any such acquisitions or investments could significantly increase our capital needs. We regularly review opportunities that meet our long-term growth objectives.

We believe that our existing cash and cash equivalents and cash generated from sales of our products will be sufficient to meet our anticipated cash needs for at least the next 12 months. However, our liquidity assumptions may prove to be incorrect, and we could exhaust our available financial resources sooner than we currently expect. We intend to continue to evaluate market conditions and may in the future pursue various funding alternatives to further enhance our financial position and to help fund our strategic initiatives. In addition, should prevailing economic, financial, business or other factors adversely affect our ability to meet our operating cash requirements, we could be required to obtain funding though traditional or alternative sources of financing. We cannot be certain that additional funds would be available to us on favorable terms when required, or at all.

The COVID-19 pandemic has negatively impacted the global economy and our suppliers', customers' and other partners' operations, disrupted global labor supply, supply chains, logistics, shipping and other distribution operations and created significant volatility and disruption of financial markets. We will continue to monitor the development and control of the COVID-19 pandemic and its effects and while the situation remains uncertain, we intend to continue to invest in research and development activities and other initiatives including accelerated investments in product development and intellectual property to launch new products and continue improving existing 10x solutions. Additionally, we plan to continue to build our commercial

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organization across key geographies around the world and invest in capabilities to address the interest we are seeing from the pharmaceutical and translational markets.

Sources of liquidity

Since our inception, we have financed our operations and capital expenditures primarily through sales of convertible preferred stock and common stock, revenue from sales of our products and the incurrence of indebtedness. In September 2019, we completed our IPO for aggregate proceeds of $410.8 million, net of offering costs, underwriter discounts and commissions. In September 2020, we completed a public offering of our Class A common stock for aggregate proceeds of $482.3 million, after deducting offering costs, underwriting discounts and commissions.

Cash flow summary

The following table summarizes our cash flows for the periods indicated:

Operating activities

The net cash used in operating activities of $21.4 million for the year ended December 31, 2021 was due primarily to a net loss of $58.2 million, net cash outflow from changes in operating assets and liabilities of $87.4 million, partially offset by stock-based compensation expense of $96.0 million, depreciation and amortization of $21.1 million and amortization of leased right-of-use assets of $7.1 million. The net cash outflow from operating assets and liabilities was primarily due to a decrease in accrued contingent liabilities of $44.2 million, of which $29.4 million was paid as cash settlement arising from the Bio-Rad Agreement, an increase in accounts receivable of $34.0 million due to an increase in sales, an increase in inventory of $30.1 million due to build of inventory to meet anticipated demand, a decrease in other noncurrent liabilities of $4.7 million, an increase in prepaid expenses and other current assets of $1.1 million, a decrease of $2.5 million in payment of operating lease expenses and a decrease in accrued expenses and other current liabilities of $0.9 million due to the timing of payments including license fees. The net cash outflow from operating assets and liabilities was partially offset by an increase in accrued compensation and other related benefits of $16.3 million, an increase in accounts payable of $11.1 million due to higher operational spending and timing of vendor payments, a decrease in deferred revenue of $1.5 million and a decrease in other noncurrent assets of $1.0 million.

The net cash used in operating activities of $217.9 million for the year ended December 31, 2020 was due primarily to a net loss of $542.7 million, net cash outflow from changes in operating assets and liabilities of $50.4 million, partially offset by adjustments for Class A common stock issued for in-process research and development related to the ReadCoor asset acquisition of $306.0 million, stock-based compensation expense of $48.6 million, depreciation and amortization of $14.0 million, amortization of leased right-of-use assets of $5.0 million and loss on extinguishment of debt of $1.5 million. The net cash outflow from operating assets and liabilities was primarily due to a decrease in accrued contingent liabilities of $24.5 million as a result of a payment of $34.5 million in December 2020 relating to the Bio-Rad judgement (see Note 7 for details), an increase in accounts receivable of $17.8 million due to timing of collections, an increase in inventory of $14.6 million due to the timing of inventory purchases including advance purchases of inventory due to anticipated demand, a decrease in other noncurrent liabilities of $3.8 million, an increase in prepaid expenses and other current assets of $5.3 million, a decrease of $4.8 million in payment of operating lease expenses, an increase in other assets of $2.7 million and a decrease in accounts payable of $7.8 million due to timing of vendor payments. The net cash outflow from operating assets and liabilities was partially offset by an increase in accrued expenses and other current liabilities of $25.9 million consistent with the growth of our business and an increase in accrued compensation and other related benefits of $2.9 million.

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Investing activities

The net cash used in investing activities of $106.7 million in the year ended December 31, 2021 was due to purchases of property and equipment of $101.3 million including the purchase of land for $28.1 million and cash paid for the acquisition of Tetramer Shop of $5.5 million.

The net cash used in investing activities of $38.4 million in the year ended December 31, 2020 was due to purchases of property and equipment of $36.7 million and purchases of intangible assets of $1.7 million.

Financing activities

The net cash provided by financing activities of $35.3 million in the year ended December 31, 2021 was primarily from proceeds of $40.3 million from the issuance of common stock from the exercise of stock options and employee stock purchase plan purchases partially offset by payments on financing arrangements of $5.0 million.

The net cash provided by financing activities of $468.9 million in the year ended December 31, 2020 was primarily from proceeds of $482.3 million from the issuance of Class A common stock after deducting offering costs, underwriting discounts and commissions, and proceeds of $23.7 million from the issuance of common stock from the exercise of stock options and employee stock purchase plan purchases, partially offset by the use of $31.3 million in connection with loan principal payments including the early repayment of the term loan under the Loan and Security Agreement (including fees in connection with the early repayment of the term loan) and payments on financing arrangements of $5.8 million.

Critical Accounting Estimates

Our consolidated financial statements and the related notes thereto included elsewhere in this Annual Report are prepared in accordance with GAAP. The preparation of consolidated financial statements also requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue, costs and expenses and related disclosures. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances. Actual results could differ significantly from our estimates. To the extent that there are differences between our estimates and actual results, our future financial statement presentation, financial condition, results of operations and cash flows will be affected.

We believe that the accounting estimates described below involve a significant degree of judgment and complexity. Accordingly, we believe these are the most critical to aid in fully understanding and evaluating our consolidated financial condition and results of operations. For further information, see Note 2 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report.

Revenue recognition

We generate revenue from sales of products and services, and our products consist of instruments and consumables. Revenue from product sales is recognized when control of the product is transferred, which is generally upon shipment to the customer. Instrument service agreements, which relate to extended warranties, are typically entered into for one-year terms, following the expiration of the standard one-year warranty period. Revenue for extended warranties is recognized ratably over the term of the extended warranty period as a stand ready performance obligation. Revenue is recorded net of discounts, distributor commissions and sales taxes collected on behalf of governmental authorities. Customers are invoiced generally upon shipment, or upon order for services, and payment is typically due within 45 days. Cash received from customers in advance of product shipment or providing services is recorded as a contract liability. Our contracts with our customers generally do not include rights of return or a significant financing component.

We regularly enter into contracts that include various combinations of products and services which are generally distinct and accounted for as separate performance obligations. The transaction price is allocated to each performance obligation in proportion to its standalone selling price. We determine standalone selling price using average selling prices with consideration of current market conditions. If the product or service has no history of sales or if the sales volume is not sufficient, we rely upon prices set by management, adjusted for applicable discounts.

Inventory

Inventory is recorded at the lower of cost, determined on a first-in, first-out basis, or net realizable value. We use judgment to analyze and determine if the composition of our inventory is obsolete, slow-moving or unsalable and frequently review such determinations. We write down specifically identified unusable, obsolete, slow-moving or known unsalable inventory in the

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period that it is first recognized by using a number of factors including product expiration dates, open and unfulfilled orders and sales forecasts. Any write-down of inventory to net realizable value establishes a new cost basis and will be maintained even if certain circumstances suggest that the inventory is recoverable in subsequent periods. Costs associated with the write-down of inventory are recorded to cost of revenue on our consolidated statements of operations. We make assumptions about future demand, market conditions and the release of new products that may supersede old ones. However, if actual market conditions are less favorable than anticipated, additional inventory write-downs could be required.

Stock-based compensation

Our stock-based compensation relates to stock options, restricted stock units (“RSUs”) and stock purchase rights under an Employee Stock Purchase Plan (“ESPP”). Stock-based compensation expense for stock-based awards are based on their grant date fair value. We determine the fair value of RSUs based on the closing price of our stock price, which is listed on Nasdaq, at the date of the grant. We estimate the fair value of stock option awards granted to employees, non-employees and directors on the grant date using the Black-Scholes option-pricing model. The fair value of stock option awards is recognized as compensation expense on a straight-line basis over the requisite service period in which the awards are expected to vest and forfeitures are recognized as they occur. Stock option awards that include a service condition and a performance condition are considered expected to vest when the performance condition is probable of being met.

The Black-Scholes model considers several variables and assumptions in estimating the fair value of stock-based awards. These variables include the per share fair value of the underlying common stock, exercise price, expected term, risk-free interest rate, expected annual dividend yield and the expected stock price volatility over the expected term. For all stock options granted, we calculate the expected term using the simplified method for “plain vanilla” stock option awards. We determine expected volatility using the historical volatility of the stock price of similar publicly traded peer companies. The risk-free interest rate is based on the yield available on U.S. Treasury zero-coupon issues similar in duration to the expected term of the equity-settled award.