Joby Aviation, Inc. (JOBY) FY 2022 MD&A

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

The following discussion and analysis provides information that our management believes is relevant to an assessment and understanding of our consolidated results of operations and financial condition. The discussion should be read together with our consolidated financial statements and related notes appearing elsewhere in this Annual Report on Form 10-K. We have elected to omit discussion on the earliest of the three years covered by the consolidated financial statements presented. Refer to Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations located in our Annual Report on Form 10-K for the year ended December 31, 2021, filed on March 28, 2022, for reference to discussion of the fiscal year ended December 31, 2020, the earliest of the three fiscal years presented. This discussion and analysis includes forward looking statements that involve risks and uncertainties. Please see the section of this Annual Report on Form 10-K titled “Special Note Regarding Forward-Looking Statements.”

Overview

We have spent more than a decade designing and testing a piloted all-electric aircraft that can take off and land vertically, while cruising like a traditional airplane. The aircraft is quiet when taking off, near silent when flying overhead and is designed to transport a pilot and four passengers at speeds of up to 200 mph, with a maximum range of 150 miles on a single charge. The low noise enabled by the all-electric powertrain will allow the aircraft to operate around dense, urban areas while blending into the background noise of cities. With more than 1,000 successful test flights already completed, and as the first eVTOL aircraft developer to receive a signed, stage 4 G-1 certification basis, we believe we are well positioned to be the first eVTOL manufacturer to earn airworthiness certification from the Federal Aviation Administration (“FAA”).

We do not currently intend to sell these aircraft to third parties or individual consumers. Instead, we plan to manufacture, own and operate our aircraft, building a vertically integrated transportation company that will deliver transportation services to our customers, including the U.S. Air Force through contracted operations, and to individual end-users through a convenient app-based aerial ridesharing platform. Our goal is to begin initial service operations with the Department of Defense in 2024, followed by commercial passenger operations in 2025. We believe this business model will generate the greatest economic returns, while providing us with end-to-end control over the customer experience to optimize for customer safety, comfort and value. There may be circumstances in which it is either required (for example, due to operating restrictions on foreign ownership in other countries) or otherwise desirable to sell aircraft in the future. While we do not expect this would change our core focus on building a vertically integrated transportation company, we may choose to sell aircraft in circumstances where we believe there is a compelling business reason to do so.

Since our inception in 2009, we have been primarily engaged in research and development of eVTOL aircraft. We have incurred net operating losses and negative cash flows from operations in every year since our inception. As of December 31, 2022, we had an accumulated deficit of $734.7 million. We have funded our operations primarily with proceeds from the issuance of redeemable convertible preferred stock and the proceeds from the merger described below.

The Merger

We entered into an Agreement and Plan of Merger (the “Merger Agreement”) on February 23, 2021, with Reinvent Technology Partners, a special purpose acquisition company (“RTP”). Pursuant to the Merger Agreement, on August 10, 2021 (the “Closing Date”), Joby Aero, Inc. (“Legacy Joby”) was merged with and into a wholly-owned subsidiary of RTP (the “Merger”). Legacy Joby survived as a wholly-owned subsidiary of RTP, which was renamed Joby Aviation, Inc. (“Joby Aviation”).

The Merger is accounted for as a reverse capitalization in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”). Under this method of accounting, RTP is treated as the “acquired” company for financial reporting purposes. Accordingly, for accounting purposes, the financial statements of Joby Aviation represent a continuation of the financial statements of Legacy Joby, with the Merger being treated as the equivalent of Joby Aviation issuing stock for the net assets of RTP, accompanied by a recapitalization. Legacy Joby operations prior to the Merger are presented as those of Joby Aviation. The Merger, which raised $1,067.9 million, has significantly impacted our capital structure and operating results, supporting our product development, manufacturing and commercialization efforts.

As a result of becoming a reporting company with the SEC and NYSE-listed company, we have hired and will continue to hire additional personnel and implement procedures and processes to address public company regulatory requirements and customary practices. We expect to incur additional annual expenses as a public company for, among other things, directors’ and officers’ liability insurance, director fees, and additional internal and external accounting, legal and administrative resources.

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All shares and per share amounts of Legacy Joby for all presented periods have been retrospectively adjusted using the exchange ratio that was established in accordance with the Merger Agreement (the “Exchange Ratio”).

Key Factors Affecting Operating Results

See the section entitled “Risk Factors” for a further discussion of these considerations.

Development of the Urban Air Mobility (“UAM”) market

Our revenue will be directly tied to the continued development of short distance aerial transportation. While we believe the market for UAM will be large, it remains undeveloped and there is no guarantee of future demand. We are targeting initial service with the Department of Defense beginning in 2024, followed by commercial passenger operations in 2025, and our business will require significant investment leading up to launching these services, including, but not limited to, final engineering designs, prototyping and testing, manufacturing, software development, certification, pilot training, infrastructure and commercialization.

We believe one of the primary drivers for adoption of our aerial ridesharing service is the value proposition and time savings offered by aerial mobility relative to traditional ground-based transportation. Additional factors impacting the pace of adoption of our aerial ridesharing service may include but are not limited to: perceptions about eVTOL quality, safety, performance and cost; perceptions about the limited range over which eVTOL may be flown on a single battery charge; volatility in the cost of oil and gasoline; availability of competing forms of transportation, such as ground, air taxi or ride-hailing services; the development of adequate infrastructure; consumers’ perception about the safety, convenience and cost of transportation using eVTOL relative to ground-based alternatives; and increases in fuel efficiency, autonomy, or electrification of cars. In addition, macroeconomic factors could impact demand for UAM services, particularly if end-user pricing is at a premium to ground-based transportation alternatives or more permanent work-from-home behaviors persist following the COVID pandemic. We anticipate initial operations with our U.S. government customers to be followed by operations in selected high-density metropolitan areas where traffic congestion is particularly acute and operating conditions are suitable for early eVTOL operations. If the market for UAM does not develop as expected, this would impact our ability to generate revenue or grow our business.

Competition

We believe that the primary sources of competition for our service are ground-based mobility solutions, other eVTOL developers/operators and local/regional incumbent aircraft charter services. While we expect to be first to market with an eVTOL facilitated aerial ridesharing service, we expect this industry to be dynamic and increasingly competitive; and our competitors could get to market before us, either generally or in specific markets. Even if we are first to market, we may not receive any competitive advantage or may be overtaken by other competitors. If new or existing aerospace companies launch competing solutions in the markets in which we intend to operate or obtain large-scale capital investment, we may face increased competition. Additionally, our competitors may benefit from our efforts in developing consumer and community acceptance for eVTOL aircraft and aerial ridesharing, making it easier for them to obtain the permits and authorizations required to operate an aerial ridesharing service in the markets in which we intend to launch or in other markets. If we do not capture the first mover advantage that we anticipate, it may harm our business, financial condition, operating results and prospects. For a more comprehensive discussion, please see the section entitled “Risk Factors.”

Government Certification

We agreed to a signed, stage 4 “G-1” certification basis for our aircraft with the FAA in 2020. This agreement lays out the specific requirements that need to be met by our aircraft for it to be certified for commercial operations. Reaching this milestone marks a key step on the way towards certifying any new aircraft in the U.S. Our aircraft was originally intended to be certified in line with the FAA’s existing Part 23 requirements for Normal Category Airplanes, with special conditions introduced to address requirements specific to our unique aircraft. In May 2022, the FAA indicated that they were revisiting the decision to certify all eVTOLs under Part 23 and would, instead, require certification under the “powered lift” classification. Based on the FAA’s revised certification requirements, we re-signed an updated stage 4 "G-1" certification basis in July 2022, and it was published in the federal register in November 2022.

In 2022, we received our Part 135 operating certificate, which is required for us to operate an on-demand air service. While that currently allows us to operate the service with conventional aircraft, the FAA will need to publish operational regulations related to eVTOLs before we add our aircraft to our Part 135 operating certificate. The FAA recently indicated that they do not expect the relevant operational regulations, or Special Federal Aviation Regulations (“SFARs”), for eVTOL aircraft to be finalized until late 2024. If the publication of the SFARs is further delayed, if the FAA requires

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further modifications to our existing G-1 certification basis, or if there are other regulatory changes or revisions, this could delay our ability to obtain type certification, and could delay our ability to launch our commercial passenger service.

In addition to certifying our aircraft, we will also need to obtain authorizations and certifications related to the production of our aircraft and the deployment of our aerial ridesharing service. While we anticipate being able to meet the requirements of such authorizations and certifications, we may be unable to obtain such authorizations and certifications, or to do so on the timeline we project. If we fail to obtain any of the required authorizations or certifications, or do so in a timely manner, or if any of these authorizations or certifications are modified, suspended or revoked after we obtain them, we may be unable to launch our commercial service or do so on the timelines we project, which would have adverse effects on our business, prospects, financial condition and/or results of operations.

Agility Prime

In December 2020, we became, to the best of our knowledge, the first company to receive airworthiness approval for an eVTOL aircraft from the U.S. Air Force, and in the first quarter of 2021, we officially began on-base operations under contract pursuant to the U.S. Air Force’s Agility Prime program. Our multi-year relationship with the Department of Defense and other U.S. government agencies provides us with a compelling opportunity to more thoroughly understand the operational capabilities and maintenance profiles of our aircraft in advance of commercial launch. In addition to the operational learnings and advanced research support, our contracts, which we expanded in July 2022, have a potential value of more than $75 million through 2025. We are actively pursuing additional contracts and relationships that would further secure these on-base operations going forward. Our U.S. government contracting party may modify, curtail or terminate its contracts with us without prior notice, either at its convenience or for default based on performance, or may decline to accept performance or exercise subsequent option years. We may also be unable to secure additional contracts or continue to grow our relationship with the U.S. government and/or Department of Defense.

Impact of COVID-19

The impact of COVID-19, including changes in consumer and business behavior, pandemic fears and market downturns, and restrictions on business and individual activities, has created significant volatility in the global economy and led to reduced economic activity. The spread of COVID-19, as well as the emergence of variants, has also created disruptions in the manufacturing, delivery and overall supply chain for manufacturers and suppliers, and has led to a decrease in the need for transportation services around the world.

As a result of the COVID-19 pandemic, we have modified our business practices and implemented additional safety protocols for our on-site employees and contractors, which we periodically update in an effort to respond to the latest public health guidance and to reduce the risk of exposure to COVID-19 or other seasonal illnesses. Although many governmental and other restrictions have been relaxed or eliminated, the emergence of additional variants may cause us to take further actions, or modify our current COVID-19 related business practices, as may be required by government authorities or that we determine are in the best interests of our employees, customers, suppliers, vendors and business partners. While the ultimate duration and extent of the COVID-19 pandemic cannot be accurately predicted, it has already had an adverse effect on the global economy, and the ultimate societal and economic impact of the COVID-19 pandemic, as well as the ultimate impact on our business, remains unknown.

Fully-Integrated Business Model

Our business model is to serve as a fully-integrated eVTOL transportation service provider. Present projections indicate that payback periods on aircraft will result in a viable business model over the long-term as production volumes scale and unit economics improve to support sufficient market adoption. As with any new industry and business model, numerous risks and uncertainties exist. Our projections are dependent on certifying and delivering aircraft on time and at a cost that will allow us to offer our service at prices that a sufficient number of customers will be willing to pay for the time and efficiency savings they receive from utilizing our eVTOL services. Our aircraft include parts and manufacturing processes unique to eVTOL aircraft, in general, and our product design, in particular. We have used our best efforts to estimate costs in our planning projections; however, the variable cost associated with assembling our aircraft at scale remains uncertain at this stage of development. Our fully-integrated business model also relies, in part, on developing and certifying component parts rather than sourcing already certified parts from third-party suppliers. While we believe this model will ultimately result in a more performant aircraft and better operating economics, the increased time and effort required to develop and certify these components may result in delays compared to alternative approaches. Our fully-integrated approach is also dependent on recruiting, developing and retaining the right talent at the right time to support engineering, certification, manufacturing, and go-to-market operations. As we progress with software development and verification we will have an

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increasing need to accelerate hiring. While we have taken steps to bring onboard additional resources in these areas, including the acquisition of Avionyx in May 2022, hiring in these areas has progressed slower than initially expected. If we are unable to add sufficient headcount it could impact our ability to meet our expected timelines for certification and entry into service.

The success of our business also is dependent, in part, on the utilization rate of our aircraft, which is the amount of time our aircraft spend in the air carrying passengers. We intend to maintain a high daily aircraft utilization rate, and reductions in utilization will adversely impact our financial performance. High daily aircraft utilization is achieved in part by reducing turnaround times at skyports. Aircraft utilization is reduced by delays and cancellations from various factors, many of which are beyond our control, including adverse weather conditions, security requirements, air traffic congestion and unscheduled maintenance events. Our aircraft may not be able to fly in poor weather conditions, including snowstorms, thunderstorms, high winds, lightning, hail, known icing conditions and/or fog. Our inability to operate in these conditions will reduce our aircraft utilization and cause delays and disruptions in our services.

Components of Results of Operations

Research and Development Expenses

Research and development expenses consist primarily of personnel expenses, including salaries, benefits, and stock-based compensation, costs of consulting, equipment and materials, depreciation and amortization and allocations of overhead, including rent, information technology costs and utilities. Research and development expenses are partially offset by payments we received in the form of government grants, including those received under the Agility Prime program.

We expect our research and development expenses to increase as we increase staffing to support aircraft engineering and software development, build aircraft prototypes, and continue to explore and develop next generation aircraft and technologies.

Selling, General and Administrative Expenses

Selling, general and administrative expenses consist of personnel expenses, including salaries, benefits, and stock-based compensation, related to executive management, finance, legal, and human resource functions. Other costs include business development, contractor and professional services fees, audit and compliance expenses, insurance costs and general corporate expenses, including allocated depreciation, rent, information technology costs and utilities.

We expect our selling, general and administrative expenses to increase as we hire additional personnel and consultants to support our commercialization efforts and comply with the applicable provisions of the Sarbanes-Oxley Act (“SOX”) and other SEC rules and regulations.

Investment in SummerBio, LLC

Following the outbreak of the COVID-19 pandemic, our management determined that certain previously developed technology that was accessible to us could be repurposed and applied to providing high-volume, rapid COVID-19 diagnostic testing through its investment in SummerBio,LLC (“SummerBio”), a related party. The company accounts for its investment in SummerBio under the equity method of accounting with an ownership interest of approximately 44.5% and 43.4% as of December 31, 2022 and December 31, 2021, respectively.

In June 2022, SummerBio notified us of its decision to wind down testing operations and close the business, which SummerBio substantially executed by the end of December 2022. As a result, we recorded an impairment loss on our investment of $6.4 million which is included within the income from equity method investment line on the consolidated statement of operations.

The Company recognized income of $19.5 million (net of impairment loss) and $29.4 million for the years ended December 31, 2022 and 2021, respectively.

Gain from changes in fair value of Warrants and Earnout Shares Liabilities

Publicly-traded warrants (“Public Warrants”), private placement warrants issued to Sponsor (“Private Warrants”), warrants issued to Delta Air Lines, Inc. (“Delta Warrants”) and Earnout Shares are recorded as liabilities and subject to remeasurement to fair value at each balance sheet date. We expect to incur an incremental income (expense) in the consolidated statements of operations for the fair value adjustments for these outstanding liabilities at the end of each reporting period.

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2021 Acquisitions

On January 11, 2021, we entered into certain agreements with Uber Technologies, Inc. (“Uber”), under which we acquired Uber Elevate, Inc. (“Uber Elevate”), a portion of Uber’s business dedicated to development of aerial ridesharing. In connection with the acquisition, the Company issued Uber a Convertible Promissory Note (“Uber CPN”) and entered into a collaboration agreement (the “Uber Agreement”).

The purchase price allocation for Uber Elevate is as follows (in thousands):

On April 6, 2021, we completed the acquisition of an entity engaged in the development of transportation technology with application in the aviation sector, whereby we acquired all the outstanding shares of the entity in exchange for a purchase consideration of $5.0 million in cash. The acquisition was accounted for as an asset acquisition because substantially all of the fair value of the gross assets acquired was represented by a group of similar assets. The purchase consideration was allocated to $5.0 million of the acquired in-process research and development (“IPR&D”) assets, $0.1 million of the acquired current liabilities and $0.1 million of acquired current assets.

In relation to the acquisition, we issued 2,677,200 restricted shares of Legacy Joby Series C Preferred Stock with the aggregate acquisition date value of $23.9 million. The Series C Preferred Stock was converted into an equivalent number of shares of Legacy Joby common stock on a one-to-one basis immediately prior to the closing of the Merger, and then into the restricted shares of the Company’s common stock at the time of the Merger. The restricted shares vest contingent upon each employee’s continued employment with the Company or its subsidiaries, and are recognized as stock-based compensation expense over the restricted shares vesting terms.

On December 21, 2021, we completed the acquisition of an entity engaged in the development of radar systems technology with application in the aviation and other sectors, whereby we acquired all the outstanding shares of the entity in exchange for a total consideration consisting of (i) $2.8 million in cash, and (ii) 340,000 restricted stock units representing the right to receive an equivalent number of shares of the Company’s common stock upon vesting ("RSUs") with the aggregate acquisition date value of $2.4 million. The acquisition was accounted for as a business combination as the assets acquired and liabilities assumed constituted a business in accordance with ASC 805 Business Combinations. The purchase consideration of $2.8 million was allocated to $1.7 million of the acquired intangible assets, primarily developed technology, $1.2 million of the acquired current assets, primarily cash and account receivables, and 0.1 million of the acquired current liabilities.

2022 Acquisitions

On March 9, 2022, we completed the acquisition of an aerospace composite manufacturing company, whereby we acquired all the purchased assets and assumed selected liabilities in exchange for a total consideration consisting of (i) $1.5 million in cash, and (ii) RSUs with the aggregate acquisition date value of $0.1 million. The acquisition was accounted for as a business combination as the assets acquired and liabilities assumed constituted a business in accordance with ASC 805 Business Combinations. The purchase consideration of $1.5 million was allocated to the following: a $1.1 million in favorable lease assets, $0.4 million of acquired machinery and equipment, $0.1 million of acquired current assets, and $0.1 million of acquired current liabilities.

On May 17, 2022, we completed the acquisition of an aerospace software engineering company that specializes in full-lifecycle software and firmware development and verification to aviation regulatory standards, in exchange for total cash consideration of $7.2 million. The acquisition was accounted for as a business combination as the assets acquired and liabilities assumed constituted a business in accordance with ASC 805 Business Combinations. Part of the cash consideration in an amount of $2.2 million was temporarily retained by us to satisfy our post-closing indemnification claims, if any, against the seller. This retained amount is payable to the seller, net of indemnification claims, at the one-year anniversary of the acquisition. As of December 31, 2022, this retained amount of $2.2 million is presented as restricted cash on the Company’s consolidated balance sheet, with a related corresponding amount in accrued and other liabilities, reflecting obligations to the seller.

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In relation to the acquisition, we issued 790,529 RSUs with an aggregate acquisition date value of approximately $4.5 million. We also paid $0.5 million to the employees of the acquired company, and settled accounts payable to the acquired company of $0.2 million. The RSUs vest contingent upon each employee’s continued employment with the Company or its subsidiaries, and are recognized as stock-based compensation expense over the RSUs’ vesting terms, commencing on the acquisition date.

The purchase consideration of $7.2 million was, preliminary, allocated to $3.3 million of goodwill, primarily resulting from the combined workforce and expected increased regulatory efficiencies, $2.5 million of total intangible assets comprising of $2.4 million of acquired customer relationships intangible asset and $0.1 million of acquired developed technology intangible asset, $1.5 million of acquired current assets, primarily cash and accounts receivable, $0.3 million of acquired fixed assets, and $0.4 million of acquired current liabilities. Amounts recognized as of the acquisition date are provisional and subject to change within the measurement period as the Company’s fair value assessments are finalized. In September 2022, the company made certain measurement period adjustments, which included a working capital adjustment with the seller in accordance with the agreement terms, resulting in an increase to the purchase consideration of $0.1 million which was paid during the three months ended December 31, 2022.

On November 30, 2022, the Company completed the purchase of certain real property, improvements and other assets (“Property”) from Frederick Electronics Corporation, a Maryland corporation and Plantronics, Inc., a Delaware corporation (“Sellers”) for a cash purchase price of $25.5 million. The Property consists of approximately 162,000 square feet across five buildings located at 333 Encinal Street, Santa Cruz, California and will be used as the Company’s corporate headquarters. The acquisition was accounted for as an asset acquisition as substantially all of the fair value of the gross assets acquired was represented by a group of similar assets. The purchase consideration was allocated to $6.3 million of land, $17.7 million of buildings and site improvements and $1.5 million of equipment, fixtures and furniture.

Interest and Other Income, Net

Interest income consists primarily of interest earned on our cash and cash equivalents and investments in marketable securities.

Interest Expense

Interest expense consists primarily of the interest on our convertible notes, equipment finance leases and tenant improvement loans. Interest on convertible notes relates to Legacy Joby Series C redeemable convertible preferred notes issued to Uber in January 2021. Upon closing of the Merger, the unpaid principal amount of $75.0 million plus accrued and unpaid interest in the amount of $2.2 million was converted into 7,716,780 shares of common stock of Joby Aviation.

Provision for Income Taxes

Our provision for income taxes consists of an estimate of federal, state, and foreign income taxes based on enacted federal, state, and foreign tax rates, as adjusted for allowable credits, deductions, uncertain tax positions, changes in deferred tax assets and liabilities, and changes in tax law. Due to the level of historical losses, we maintain a valuation allowance against U.S. federal and state deferred tax assets as it has been concluded it is more likely than not that these deferred tax assets will not be realized.

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Results of Operations

Comparison of the Year Ended December 31, 2022 to the Year Ended December 31, 2021

The following table summarizes our historical results of operations for the periods indicated (in thousands, except percentage):

*n.m. marks changes that are not meaningful.

Research and Development Expenses

Research and development expenses increased by $98.7 million, or 50%, to $296.3 million during the year ended December 31, 2022 from $197.6 million during the year ended December 31, 2021. The increase was primarily attributable to increases in personnel to support aircraft engineering, software development, manufacturing process development, and certification, as well as increased quantity of materials used in prototype development and testing. These costs were partially offset by government research and development grants earned through operations as part of our Department of Defense contracts.

Selling, General and Administrative Expenses

Selling, general and administrative expenses increased by $34.4 million, or 56%, to $95.9 million during the year ended December 31, 2022 from $61.5 million during the year ended December 31, 2021. The increase was primarily attributable to increased headcount to support operations growth, including IT, legal, facilities, HR, and finance, as well as an increase in insurance cost and professional services cost related to legal, accounting and recruiting support.

Total Other Income, Net

Total other income, net increased by $66.0 million, or 97%, to $134.3 million during the year ended December 31, 2022 from $68.2 million during the year ended December 31, 2021. The increase was primarily driven by a $48.1 million increase in gain from changes in fair value of warrants and earnout shares, a $15.8 million increase in interest and other income due to increased interest rates on higher invested funds and nonrecurring transaction expenses of $9.1 million related to the Merger incurred during the year ended December 31, 2021, partially offset by a $9.9 million decrease in income from equity method investment due to winding down of SummerBio’s business operations.

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Income Tax Expense (Benefit)

Income tax benefit of $10.5 million, recorded during the year ended December 31, 2021, is primarily due to the release of deferred tax asset valuation allowance, as the deferred tax liability related to the Uber contractual agreement asset provided the Company with a source of future taxable income

Liquidity and Capital Resources

Sources of Liquidity

We have incurred net losses and negative operating cash flows from operations since inception, and we expect to continue to incur losses and negative operating cash flows for the foreseeable future until we successfully commence sustainable commercial operations. To date, we have funded our operations primarily with proceeds from the Merger and issuance of redeemable convertible preferred stock and convertible notes. From inception through December 31, 2022, we raised net proceeds of $1,067.9 million from the Merger, $843.3 million from the issuances of Legacy Joby’s redeemable convertible preferred stock and convertible notes and $60.0 million from issuance of shares and warrants to Delta Air Lines, Inc. As of December 31, 2022, we had cash, cash equivalents and restricted cash of $150.1 million and short-term investment in marketable securities of $910.7 million. Restricted cash, totaling $4.0 million, reflects cash temporarily retained by us to satisfy our post-closing indemnification claims, if any, against the seller, in connection with the acquisition of aerospace software engineering company in May 2022, security deposit on leased facilities and a letter of credit for a new vendor. We believe that our cash, cash equivalents and short-term investments will satisfy our working capital and capital requirements for at least the next twelve months.

Long-Term Liquidity Requirements

We expect our cash and cash equivalents on hand together with the cash we expect to generate from future operations will provide sufficient funding to support us through our initial service operations in 2024. Until we generate sufficient operating cash flow to fully cover our operating expenses, working capital needs and planned capital expenditures, or if circumstances evolve differently than anticipated, we expect to utilize a combination of equity and debt financing to fund any future remaining capital needs. If we raise funds by issuing equity securities, dilution to stockholders may result. Any equity securities issued may also provide for rights, preferences, or privileges senior to those of holders of common stock. If we raise funds by issuing debt securities, these debt securities would have rights, preferences, and privileges senior to those of preferred and common stockholders. The terms of debt securities or borrowings could impose significant restrictions on our operations. The capital markets have in the past, and may in the future, experience periods of upheaval that could impact the availability and cost of equity and debt financing.

Our principal uses of cash in recent periods were to fund our research and development activities, personnel cost and support services. Near-term cash requirements will also include spending on manufacturing facilities, ramping up production and supporting production certification, scaled manufacturing operations for commercialization, infrastructure and skyport development, pilot training facilities, software development and production of aircraft. We do not have material cash requirements related to current contractual obligations. As such, our cash requirements are highly dependent upon management’s decisions about the pace and focus of both our short and long-term spending.

Cash requirements can fluctuate based on business decisions that could accelerate or defer spending, including the timing or pace of investments, infrastructure and production of aircraft. Our future capital requirements will depend on many factors, including our revenue growth rate, the timing and the amount of cash received from our customers, the expansion of sales and marketing activities, and the timing and extent of spending to support development efforts. In the future, we may enter into arrangements to acquire or invest in complementary businesses, products, and technologies, which could require us to seek additional equity or debt financing. If we require additional financing we may not be able to raise such financing on acceptable terms or at all. If we are unable to raise additional capital or generate cash flows necessary to continue our research and development and invest in continued innovation, we may not be able to compete successfully, which would harm our business, results of operations, and financial condition. If adequate funds are not available, we may need to reconsider our investments in production operations, the pace of our production ramp-up, infrastructure investments in skyports, expansion plans or limit our research and development activities, which could have a material adverse impact on our business prospects and results of operations.

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Cash Flows

The following tables set forth a summary of our cash flows for the periods indicated (in thousands, except percentage):

*n.m. marks changes that are not meaningful

Net Cash Used in Operating Activities

Net cash used in operating activities for the year ended December 31, 2022 was $235.9 million, consisting primarily of a net loss of $258.0 million, adjusted for non-cash items and statement of operations impact from investing and financing activities which includes $69.1 million in stock-based compensation expense, $24.0 million in depreciation and amortization expense and a net decrease in our net working capital of $51.8 million, primarily related to distributions from equity investment in Summerbio, partially offset by a $98.0 million gain from change in the fair value of warrants and earnout shares, $19.5 million in income from equity method investment and a $5.2 million net accretion and amortization of our investments in marketable securities.

Net cash used in operating activities for the year ended December 31, 2021 was $195.7 million, consisting primarily of a net loss of $180.3 million, adjusted for non-cash items and statement of operations impact from investing and financing activities which includes $26.9 million in stock-based compensation expense, $15.9 million in depreciation and amortization expense, $9.1 million for allocated merger transaction costs, a $5.0 million write-off of acquired in-process research and development assets, $5.0 million in other noncash compensation expense, $4.3 million net accretion and amortization of our investments in marketable securities, $2.9 million in non-cash interest expense and amortization of debt costs and a net decrease in our net working capital of $5.1 million, reflecting primarily increased prepaid expenses for D&O insurance, partially offset by a $49.9 million gain from change in the fair value of warrants and earnout shares, $29.4 million in income from equity method investment and a $10.5 million income tax benefit.

Net Cash Used in Investing Activities

Net cash used in investing activities for the year ended December 31, 2022 of $630.8 million was primarily due to purchases of marketable securities of $1,359.0 million, purchases of property and equipment of $54.9 million and acquisition of assets of $5.7 million, partially offset by proceeds from the sales and maturities of marketable securities of $788.8 million.

Net cash used in investing activities for the year ended December 31, 2021 of $18.7 million was primarily due to purchases of marketable securities of $401.6 million, purchases of property and equipment of $32.3 million and acquisition of assets of $6.9 million, partially offset by proceeds from the sales and maturities of marketable securities of $422.1 million.

Net Cash Provided by Financing Activities

Net cash provided by financing activities for the year ended December 31, 2022 of $60.5 million was primarily due to proceeds from the issuance of common stock and warrants of $60.1 million and $1.4 million from exercise of stock options, partially offset by repayments for capital lease obligations and tenant improvement loan of $1.0 million.

Net cash provided by financing activities for the year ended December 31, 2021 of $1,092.8 million was primarily due to proceeds from the Merger of $1,067.9 million and issuance of a convertible note to Uber for a net amount of $75.0 million, $1.5 million from exercise of stock options and stock purchase rights and issuance common stock warrants, partially offset by payments for deferred offering costs of $50.4 million and repayments of tenant improvement loan and capital lease obligation of $1.2 million.

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Critical Accounting Estimates

Management’s discussion and analysis of our financial condition and results of operations is based on our consolidated financial statements, which have been prepared in accordance with U.S. GAAP. The preparation of these consolidated financial statements requires us to make estimates and assumptions for the reported amounts of assets, liabilities, revenue, expenses and related disclosures. Our estimates are based on our historical experience and on various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions and any such differences may be material.

While our significant accounting policies are described in more detail in Note 2 to our consolidated financial statements included elsewhere in this Annual Report on Form 10-K, we believe the following accounting policies and estimates to be critical to the preparation of our consolidated financial statements.

Stock-Based Compensation

We measure and record the expense related to stock-based payment awards based on the fair value of those awards as determined on the date of grant. When the observable market price or volatility we use to determine grant date fair value does not reflect certain material non-public information known to the Company but unavailable to marketplace participants at the time the market price is observed, we determine whether an adjustment to the observable market price is required. We recognize stock-based compensation expense over the requisite service period of the individual grant, generally equal to the vesting period and use the straight-line method to recognize stock-based compensation, and account for forfeitures as they occur. Some of our awards contains service-based vesting condition as well as performance-based vesting condition. We consider the probability of achieving of each of the performance goals at the end of each reporting period and recognize expense over the requisite period when achievement of the goal is determined to be probable, and adjust the expense if the probability of achieving the goal later changes. Our performance based awards issued under annual Bonus Plan are classified as a liability until such time that the respective milestones have been met, at which point the liability is reclassified to equity. If it is determined that the milestone cannot be met, the liability is reversed.

We selected the Black-Scholes-Merton (“Black-Scholes”) option-pricing model as the method for determining the estimated fair value for stock options and awards under our ESPP program. The Black-Scholes model requires the use of highly subjective and complex assumptions, which determine the fair value of share-based awards, including the option’s expected term, expected volatility of the underlying stock, risk-free interest rate and expected dividend yield.

Expected volatility - We estimate the expected volatility of our common stock on the date of grant based on the historical stock price volatility of our own common shares within the same length of period as the expected term. Where, in some cases, our common share trading history is shorter than the expected term and prior to the Merger, since we were not a publicly traded company, we estimated the expected volatility for our stock options by using an average of historical volatilities of selected industry peers deemed to be comparable to our business corresponding to the expected term of the awards.

Risk-free interest rate - The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant for zero-coupon U.S. Treasury notes with maturities corresponding to the expected term of the awards.

Expected dividend yield - The expected dividend rate is zero as we currently have no history or expectation of declaring dividends on our common stock.

Expected term - The expected term represents the period these stock awards are expected to remain outstanding and is based on historical experience of similar awards, giving consideration to the contractual terms of the stock-based awards, vesting schedules, and expectations of future employee behavior.

Accounting for Long-Lived Assets

In accounting for long-lived assets, we make estimates about the expected useful lives, projected residual values, and the potential for impairment. In estimating useful lives and residual values of our property and equipment, we have relied upon actual industry experience with the same or similar property and equipment types and our anticipated utilization of the property and equipment. Changing market prices of new and used property and equipment, government regulations, and changes in our maintenance program or operations could result in changes to these estimates.

Our long-lived assets are evaluated for impairment when events and circumstances indicate the assets may be impaired. Indicators include operating or cash flow losses, significant decreases in market value, or changes in technology.

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To determine if impairment exists for our property and equipment used in operations, we group our property and equipment by type (the lowest level for which there are identifiable cash flows) and then estimate their future cash flows based on projections of capacity, asset age, maintenance requirements, and other relevant conditions. An impairment occurs when the sum of the estimated undiscounted future cash flows are less than the aggregate carrying value of the assets. The impairment loss recognized is the amount by which the assets' carrying value exceeds its estimated fair value. We estimate our property and equipment's fair value using third party valuations which consider the effects of the current market environment, age of the assets, and marketability.

We have not identified any events and circumstances that would indicate that our long-lived assets may be impaired. Accordingly, we have not recorded any impairment charge our existing property and equipment during the twelve months ended December 31, 2022.

Accounting for Leases

We determine if an arrangement is a lease, or contains a lease, at inception. We analyze our contractual arrangements to evaluate whether they have any embedded leases. The asset component of our operating leases is recorded as right-of-use assets, and the liability component is recorded as current lease liabilities and long-term lease liabilities in our consolidated balance sheets. Right-of-use assets and lease liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. Due to significant volume of contractual arrangements we enter, we may not be able to identify all embedded leases arrangements, understating our right-of-use assets and liabilities.

As most of our leases do not provide an implicit rate, we use incremental borrowing rate (“IBR”) to calculate present value of future minimum lease payments, which is the estimated rate we would be required to pay for fully collateralized borrowing over the period similar to lease terms. Determining IBR requires us to estimate our credit rating for secured borrowing and to identify appropriate interest rates for comparable companies with similar credit rating. If we are not able to correctly estimate IBR, our right-of-use assets and liabilities may be incorrect.

Our lease terms may include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. Determining that options are reasonably certain to be exercised requires us to make certain assumptions about our future operations and space and assets requirements. Incorrect assumptions may result in our least term being incorrect, impacting our right-of-use assets and liabilities.

Assumptions made by us at the commencement date are re-evaluated upon occurrence of certain events, including a lease modification. A lease modification results in a separate contract when the modification grants the lessee an additional right of use not included in the original lease and when lease payments increase commensurate with the standalone price for the additional right of use. When a lease modification results in a separate contract, it is accounted for in the same manner as a new lease. If we are not able to re-evaluate lease changes and modifications appropriately, our right-of-use assets and liabilities may be incorrect.

Recent Accounting Pronouncements

See Note 2 of our consolidated financial statements included elsewhere in this Annual Report on From 10-K for more information regarding recently issued accounting pronouncements.