{ "cik": 1653087, "cik_padded": "0001653087", "entityName": "Alector, Inc.", "fiscal_years": [ { "accn": "0001193125-26-071593", "filed": "2026-02-25", "fiscal_year": 2025, "form": "10-K", "fundamental_units": { "capex": "USD", "cash": "USD", "eps_diluted": "USD/shares", "free_cash_flow": "USD", "net_income": "USD", "operating_cash_flow": "USD", "operating_income": "USD", "revenue": "USD", "stockholders_equity": "USD", "total_assets": "USD", "total_liabilities": "USD" }, "fundamentals": { "capex": 41000.0, "cash": 65802000.0, "eps_diluted": -1.39, "free_cash_flow": -184072000.0, "net_income": -142929000.0, "operating_cash_flow": -184031000.0, "operating_income": -156007000.0, "revenue": 21045000.0, "stockholders_equity": 30649000.0, "total_assets": 293237000.0, "total_liabilities": 262588000.0 }, "period_end": "2025-12-31", "ratio_units": { "leverage": "ratio", "revenue_growth_yoy": "ratio", "roa_avg2y": "ratio", "roa_period_end": "ratio", "roe_avg2y": "ratio", "roe_period_end": "ratio" }, "ratios": { "leverage": 8.567587849522008, "revenue_growth_yoy": -0.790717794705543, "roa_avg2y": -0.3753683325892271, "roa_period_end": -0.4874180270566129, "roe_avg2y": -1.8155593239715717, "roe_period_end": -4.663414793304839 } }, { "accn": "0001193125-26-071593", "filed": "2026-02-25", "fiscal_year": 2024, "form": "10-K", "fundamental_units": { "capex": "USD", "cash": "USD", "eps_diluted": "USD/shares", "free_cash_flow": "USD", "net_income": "USD", "operating_cash_flow": "USD", "operating_income": "USD", "revenue": "USD", "stockholders_equity": "USD", "total_assets": "USD", "total_liabilities": "USD" }, "fundamentals": { "capex": 1255000.0, "cash": 33021000.0, "eps_diluted": -1.23, "free_cash_flow": -231160000.0, "net_income": -119049000.0, "operating_cash_flow": -229905000.0, "operating_income": -144997000.0, "revenue": 100558000.0, "stockholders_equity": 126800000.0, "total_assets": 468303000.0, "total_liabilities": 341503000.0 }, "period_end": "2024-12-31", "ratio_units": { "leverage": "ratio", "net_margin": "ratio", "operating_margin": "ratio", "revenue_growth_yoy": "ratio", "roa_avg2y": "ratio", "roa_period_end": "ratio", "roe_avg2y": "ratio", "roe_period_end": "ratio" }, "ratios": { "leverage": 2.6932413249211358, "net_margin": -1.183883927683526, "operating_margin": -1.4419240637244177, "revenue_growth_yoy": 0.03561277033985582, "roa_avg2y": -0.21841248291488172, "roa_period_end": -0.2542136181062261, "roe_avg2y": -0.9123996965028855, "roe_period_end": -0.9388722397476341 } }, { "accn": "0001193125-26-071593", "filed": "2026-02-25", "fiscal_year": 2023, "form": "10-K", "fundamental_units": { "capex": "USD", "cash": "USD", "eps_diluted": "USD/shares", "free_cash_flow": "USD", "net_income": "USD", "operating_cash_flow": "USD", "operating_income": "USD", "revenue": "USD", "stockholders_equity": "USD", "total_assets": "USD", "total_liabilities": "USD" }, "fundamentals": { "capex": 2381000.0, "cash": 74555000.0, "eps_diluted": -1.56, "free_cash_flow": -186543000.0, "net_income": -130391000.0, "operating_cash_flow": -184162000.0, "operating_income": -151740000.0, "revenue": 97100000.0, "stockholders_equity": 134158000.0, "total_assets": 621827000.0, "total_liabilities": 487669000.0 }, "period_end": "2023-12-31", "ratio_units": { "leverage": "ratio", "net_margin": "ratio", "revenue_growth_yoy": "ratio", "roa_avg2y": "ratio", "roa_period_end": "ratio", "roe_avg2y": "ratio", "roe_period_end": "ratio" }, "ratios": { "leverage": 3.635034809701993, "net_margin": -1.342852729145211, "revenue_growth_yoy": -0.27320359281437123, "roa_avg2y": -0.18502066372230797, "roa_period_end": -0.20969015497879634, "roe_avg2y": -0.7480837636259323, "roe_period_end": -0.9719211675785268 } }, { "accn": "0000950170-25-027758", "filed": "2025-02-26", "fiscal_year": 2022, "form": "10-K", "fundamental_units": { "capex": "USD", "cash": "USD", "eps_diluted": "USD/shares", "free_cash_flow": "USD", "net_income": "USD", "operating_cash_flow": "USD", "operating_income": "USD", "revenue": "USD", "stockholders_equity": "USD", "total_assets": "USD", "total_liabilities": "USD" }, "fundamentals": { "capex": 4117000.0, "cash": 154323000.0, "eps_diluted": -1.62, "free_cash_flow": -24446000.0, "net_income": -133310000.0, "operating_cash_flow": -20329000.0, "operating_income": -137834000.0, "revenue": 133600000.0, "stockholders_equity": 214442000.0, "total_assets": 787648000.0, "total_liabilities": 573206000.0 }, "period_end": "2022-12-31", "ratio_units": { "leverage": "ratio", "net_margin": "ratio", "operating_margin": "ratio", "roa_avg2y": "ratio", "roa_period_end": "ratio", "roe_avg2y": "ratio", "roe_period_end": "ratio" }, "ratios": { "leverage": 2.673011816715009, "net_margin": -0.9978293413173652, "operating_margin": -1.0316916167664671, "roa_avg2y": -0.16639767934464453, "roa_period_end": -0.16925073129113513, "roe_avg2y": -0.517541918527232, "roe_period_end": -0.621659936019996 } }, { "accn": "0000950170-25-027758", "filed": "2025-02-26", "fiscal_year": 2021, "form": "10-K", "fundamental_units": { "capex": "USD", "cash": "USD", "eps_diluted": "USD/shares", "free_cash_flow": "USD", "net_income": "USD", "operating_cash_flow": "USD", "operating_income": "USD", "stockholders_equity": "USD", "total_assets": "USD", "total_liabilities": "USD" }, "fundamentals": { "capex": 3247000.0, "cash": 329152000.0, "eps_diluted": -0.45, "free_cash_flow": 295304000.0, "net_income": -36329000.0, "operating_cash_flow": 298551000.0, "operating_income": -37360000.0, "stockholders_equity": 300724000.0, "total_assets": 814658000.0, "total_liabilities": 513934000.0 }, "period_end": "2021-12-31", "ratio_units": { "leverage": "ratio", "roa_avg2y": "ratio", "roa_period_end": "ratio", "roe_avg2y": "ratio", "roe_period_end": "ratio" }, "ratios": { "leverage": 1.708988973277823, "roa_avg2y": -0.05576598212154494, "roa_period_end": -0.04459417326043567, "roe_avg2y": -0.12786183643229965, "roe_period_end": -0.12080512363496096 } }, { "accn": "0000950170-24-021183", "filed": "2024-02-27", "fiscal_year": 2020, "form": "10-K", "fundamental_units": { "capex": "USD", "cash": "USD", "eps_diluted": "USD/shares", "free_cash_flow": "USD", "net_income": "USD", "operating_cash_flow": "USD", "operating_income": "USD", "revenue": "USD", "stockholders_equity": "USD", "total_assets": "USD", "total_liabilities": "USD" }, "fundamentals": { "capex": 5032000.0, "cash": 49969000.0, "eps_diluted": -2.45, "free_cash_flow": -171766000.0, "net_income": -190228000.0, "operating_cash_flow": -166734000.0, "operating_income": -195174000.0, "revenue": 21098000.0, "stockholders_equity": 267530000.0, "total_assets": 488251000.0, "total_liabilities": 220721000.0 }, "period_end": "2020-12-31", "ratio_units": { "leverage": "ratio", "revenue_growth_yoy": "ratio", "roa_avg2y": "ratio", "roa_period_end": "ratio", "roe_avg2y": "ratio", "roe_period_end": "ratio" }, "ratios": { "leverage": 0.8250327066123425, "revenue_growth_yoy": -0.005702436495593572, "roa_avg2y": -0.4180081831406208, "roa_period_end": -0.3896110811857016, "roe_avg2y": -0.8230115105143497, "roe_period_end": -0.711052966022502 } }, { "accn": "0001564590-21-008860", "filed": "2023-02-28", "fiscal_year": 2019, "form": "10-K", "fundamental_units": { "capex": "USD", "cash": "USD", "free_cash_flow": "USD", "net_income": "USD", "operating_cash_flow": "USD", "operating_income": "USD", "revenue": "USD", "stockholders_equity": "USD", "total_assets": "USD", "total_liabilities": "USD" }, "fundamentals": { "capex": 15265000.0, "cash": 89641000.0, "free_cash_flow": -114573000.0, "net_income": -105385000.0, "operating_cash_flow": -99308000.0, "operating_income": -114404000.0, "revenue": 21219000.0, "stockholders_equity": 194743000.0, "total_assets": 421913000.0, "total_liabilities": 227170000.0 }, "period_end": "2019-12-31", "ratio_units": { "leverage": "ratio", "revenue_growth_yoy": "ratio", "roa_avg2y": "ratio", "roa_period_end": "ratio", "roe_avg2y": "ratio", "roe_period_end": "ratio" }, "ratios": { "leverage": 1.1665117616551044, "revenue_growth_yoy": -0.2333345377027857, "roa_avg2y": -0.28861848735813506, "roa_period_end": -0.24977898287087621, "roe_avg2y": -2.1651856797986544, "roe_period_end": -0.5411491042040022 } }, { "accn": "0000950170-22-001979", "filed": "2022-02-24", "fiscal_year": 2018, "form": "10-K", "fundamental_units": { "capex": "USD", "cash": "USD", "free_cash_flow": "USD", "net_income": "USD", "operating_cash_flow": "USD", "operating_income": "USD", "revenue": "USD", "stockholders_equity": "USD", "total_assets": "USD", "total_liabilities": "USD" }, "fundamentals": { "capex": 1884000.0, "cash": 65470000.0, "free_cash_flow": 125580000.0, "net_income": -52248000.0, "operating_cash_flow": 127464000.0, "operating_income": -57288000.0, "revenue": 27677000.0, "stockholders_equity": -97398000.0, "total_assets": 308359000.0, "total_liabilities": 195237000.0 }, "period_end": "2018-12-31", "ratio_units": { "revenue_growth_yoy": "ratio", "roa_period_end": "ratio", "roe_avg2y": "ratio" }, "ratios": { "revenue_growth_yoy": 6.410174029451138, "roa_period_end": -0.16943886833204153, "roe_avg2y": 0.6992926501194531 } }, { "accn": "0001564590-21-008860", "filed": "2021-02-25", "fiscal_year": 2017, "form": "10-K", "fundamental_units": { "capex": "USD", "cash": "USD", "free_cash_flow": "USD", "net_income": "USD", "operating_cash_flow": "USD", "operating_income": "USD", "revenue": "USD", "stockholders_equity": "USD" }, "fundamentals": { "capex": 801000.0, "cash": 32451000.0, "free_cash_flow": -18572000.0, "net_income": -32480000.0, "operating_cash_flow": -17771000.0, "operating_income": -32679000.0, "revenue": 3735000.0, "stockholders_equity": -52033000.0 }, "period_end": "2017-12-31", "ratio_units": { "roe_avg2y": "ratio" }, "ratios": { "roe_avg2y": 0.8442942552638419 } }, { "accn": "0001564590-20-012520", "filed": "2020-03-24", "fiscal_year": 2016, "form": "10-K", "fundamental_units": { "stockholders_equity": "USD" }, "fundamentals": { "stockholders_equity": -24907000.0 }, "period_end": "2016-12-31", "ratios": {} } ], "latest_filing": { "accn": "0001193125-26-071593", "filed": "2026-02-25", "form": "10-K" }, "note": "Static grepcent export of verified SEC companyfacts-derived values. Monetary values are raw reported units from grepcent's resolved facts; no scaling and no FX conversion. Capex, dividends, and buybacks are reported as positive outflow magnitudes. ROE/ROA include both period-end basis (site-consistent) and average-of-two-years basis where the prior-year denominator exists.", "schema_version": "1", "sic": "2836", "sic_description": "Biological Products, (No Diagnostic Substances)", "source_urls": { "sec_companyfacts": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001653087.json", "sec_submissions": "https://data.sec.gov/submissions/CIK0001653087.json" }, "ticker": "ALEC" }