Alector, Inc.
Business
Alector, Inc. is a late-stage clinical biotechnology company focused on developing therapies to counteract neurodegenerative diseases by targeting genetic drivers and cellular dysfunction. It develops monoclonal antibodies, engineered proteins, enzymes, and nucleic acid therapeutics — including progranulin-elevating antibodies (latozinemab, AL101/GSK4527226) and ABC-enabled candidates (ADP037-ABC, ADP050-ABC, ADP056, ADP063-ABC/ADP064-ABC). Its business comprises discovery and preclinical research, clinical development, a proprietary Alector Brain Carrier (ABC) blood–brain barrier platform, and strategic collaborations. Alector advances and distributes its programs globally through clinical trials and partnerships across North America, Europe, Asia-Pacific and other regions.
Summary from filing dated 2025-02-26
Financials
Consolidated Statement of Income
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Collaboration revenue | 21 | 101 | 97 | 134 | 207 | |
| Research and development | 123 | 186 | 192 | 210 | 189 | |
| General and administrative | 54 | 60 | 57 | 61 | 55 | |
| Total operating expenses | 177 | 246 | 249 | 272 | 244 | |
| Loss from operations | −156 | −145 | −152 | −138 | −37 | |
| Other income, net | 13 | 26 | 27 | 8 | 1 | |
| Loss before income taxes | −143 | −119 | −125 | −130 | −36 | |
| Income tax expense | 168,000 | 128,000 | 5 | 3 | 0 | |
| Net loss | −143 | −119 | −130 | −133 | −36 | |
| Unrealized gain (loss) on marketable securities | −95,000 | 77,000 | 5 | −4 | −2 | |
| Comprehensive loss | −143 | −119 | −126 | −137 | −38 | |
| Net loss per share, basic | −1.39 | −1.23 | −1.56 | −1.62 | −0.45 | |
| Net loss per share, diluted | −1.39 | −1.23 | −1.56 | −1.62 | −0.45 | |
| Shares used in computing net loss per share, basic | 103 | 97 | 84 | 82 | 80 | |
| Shares used in computing net loss per share, diluted | 103 | 97 | 84 | 82 | 80 |
Consolidated Balance Sheet
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Cash and cash equivalents | 66 | 33 | 75 | 154 | 329 | |
| Marketable securities | 190 | 380 | 474 | 559 | 406 | |
| Prepaid expenses and other current assets | 10 | 11 | 17 | 11 | 7 | |
| Total current assets | 266 | 425 | 566 | 726 | 750 | |
| Property and equipment, net | 11 | 17 | 22 | 26 | 27 | |
| Operating lease right-of-use assets | 14 | 20 | 25 | 28 | 31 | |
| Restricted cash | 2 | 2 | 2 | 1 | 1 | |
| Other assets | 386,000 | 5 | 7 | 6 | 6 | |
| Total assets | 293 | 468 | 622 | 788 | 815 | |
| Accounts payable | 2 | 2 | 4 | 4 | 5 | |
| Accrued clinical supply costs | 4 | 7 | 5 | 6 | 9 | |
| Accrued liabilities | 19 | 29 | 30 | 28 | 27 | |
| Deferred revenue, current portion | 7 | 24 | 83 | 48 | 91 | |
| Payable to collaboration partner | 17 | 6 | 8 | 0 | — | |
| Refund liability to collaboration partner, current portion | 11 | 49 | 39 | 0 | — | |
| Operating lease liabilities, current portion | 9 | 9 | 8 | 8 | 8 | |
| Short-term debt | 366,000 | 0 | — | — | — | |
| Total current liabilities | 70 | 125 | 178 | 94 | 140 | |
| Deferred revenue, long-term portion | 165 | 172 | 211 | 443 | 334 | |
| Long-term debt | 9 | 9 | 0 | — | — | |
| Refund liability to collaboration partner, long-term portion | 0 | 9 | 67 | 0 | — | |
| Operating lease liabilities, long-term portion | 17 | 24 | 30 | 35 | 40 | |
| Other long-term liabilities | 2 | 1 | 1 | 759,000 | 158,000 | |
| Total liabilities | 263 | 342 | 488 | 573 | 514 | |
| Commitments and contingencies (Note 4) | — | — | — | — | — | |
| Common stock, $0.0001 par value; 200,000,000 shares authorized; 110,362,581 and 99,085,888 shares issued and outstanding as of December 31, 2025 and December 31, 2024, respectively | 11,000 | 9,000 | 8,000 | 8,000 | 8,000 | |
| Additional paid-in capital | 1,003 | 956 | 844 | 799 | 748 | |
| Accumulated other comprehensive income | 166,000 | 261,000 | 184,000 | −5 | −943,000 | |
| Accumulated deficit | −972 | −829 | −710 | −580 | −446 | |
| Total stockholders' equity | 31 | 127 | 134 | 214 | 301 | |
| Total liabilities and stockholders' equity | 293 | 468 | 622 | 788 | 815 |
Consolidated Statement of Cash Flows
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Net loss | −143 | −119 | −130 | −133 | −36 | |
| Depreciation and amortization | 6 | 5 | 6 | 6 | 6 | |
| Stock-based compensation | 27 | 39 | 43 | 46 | 41 | |
| Amortization of premiums and accretion of discounts on marketable securities | −7 | −14 | −15 | −1 | 2 | |
| Amortization of right-of-use assets | 4 | 3 | 3 | 3 | 2 | |
| Amortization of debt discount and debt issuance costs | 293,000 | — | — | — | — | |
| Impairment loss of right-of-use assets and leasehold improvements | 3 | 2 | 0 | 0 | 0 | |
| Prepaid expenses and other current assets | 992,000 | 6 | −6 | −4 | 1 | |
| Other assets | 4 | 3 | −1 | −835,000 | −3 | |
| Accounts payable | −524,000 | −1 | −377,000 | −572,000 | 2 | |
| Accrued liabilities and accrued clinical supply costs | −13 | 340,000 | 3 | −3 | 2 | |
| Payable to collaboration partner | 11 | −2 | 8 | 0 | 0 | |
| Deferred revenue | −21 | −101 | −67 | 66 | 293 | |
| Refund liability to collaboration partner | −50 | −46 | −25 | 0 | 0 | |
| Lease liabilities | −7 | −6 | −5 | −4 | −4 | |
| Other long-term liabilities | 503,000 | −139,000 | 614,000 | 601,000 | −314,000 | |
| Net cash used in operating activities | −184 | −230 | −184 | −20 | 299 | |
| Purchase of property and equipment | −41,000 | −1 | −2 | −4 | −3 | |
| Purchase of marketable securities | −272 | −468 | −552 | −557 | −343 | |
| Maturities of marketable securities | 466 | 574 | 653 | 402 | 286 | |
| Sale of marketable securities | 3 | 3 | 4 | 0 | 11 | |
| Net cash provided by investing activities | 197 | 107 | 102 | −159 | −50 | |
| Proceeds from the exercise of options to purchase common stock | 15,000 | 0 | 1 | 3 | 29 | |
| Proceeds from issuance of stock from employee stock purchase plan | 217,000 | 1 | 1 | 1 | 2 | |
| Proceeds from issuance of common stock, net of issuance costs | 20 | 71 | — | — | — | |
| Proceeds from debt financing, net of discount and issuance costs | 0 | 9 | 0 | 0 | — | |
| Net cash provided by financing activities | 20 | 82 | 3 | 5 | 30 | |
| Net increase (decrease) in cash, cash equivalents, and restricted cash | 33 | −41 | −80 | −175 | 279 | |
| Interest paid | 855,000 | 0 | — | — | — |