FY2025 · ended Dec 31, 2025 · Revenue $21.05M, -79.1% YoY · Filed Feb 25, 2026
Alector, Inc. (ALEC) files with the SEC under industry code 2836, Biological Products, (No Diagnostic Substances). In fiscal 2025, which ended Dec 31, 2025, it reported revenue of $21.0 million and a net loss of $142.9 million. Free cash flow was -$184.1 million. As of Sep 30, 2026 it held $138.7 million in cash and investments and $21.0 million in total debt.
Revenue (TTM)
$173.47M
+151.2% vs year-ago TTM
Net income (TTM)
$41.41M
+138.4% vs year-ago TTM
Operating cash flow (TTM)
$-149.88M
+24.1% vs year-ago TTM
Free cash flow (TTM)
$-150.02M
+24.1% vs year-ago TTM
EPS (TTM)
$0.37
+134.6% vs year-ago TTM
Dividend per share
None
Shares outstanding
110.36M
+11.4% vs prior year
Net cash
$117.70M
as of Sep 30, 2026
Operating margin
20.2%
FY 2026
Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- ALEC (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- South San Francisco, CA
- SEC filer status
- Accelerated filer, Smaller reporting company
- SEC CIK
- 1653087
- Former names
- Alector LLC (until Sep 16, 2015)
Other Biological Products, (No Diagnostic Substances) companies
- Amgen Inc AMGN
- Gilead Sciences, Inc. GILD
- Moderna, Inc. MRNA
- Argenx SE ARGX
- Revolution Medicines, Inc. RVMD
- Biogen Inc. BIIB
- BioNTech SE BNTX
- Exelixis, Inc. EXEL
All 182 Biological Products, (No Diagnostic Substances) companies
Key figures
Fiscal-year totals from the annual reports. Balance sheet lines are as of each year end.
| Line | FY 2025 Dec 31, 2025 |
FY 2024 Dec 31, 2024 |
FY 2023 Dec 31, 2023 |
FY 2022 Dec 31, 2022 |
FY 2021 Dec 31, 2021 |
|---|---|---|---|---|---|
| Revenue | $21.0M | $100.6M | $97.1M | $133.6M | $207.1M |
| Operating income | -$156.0M | -$145.0M | -$151.7M | -$137.8M | -$37.4M |
| Net income | -$142.9M | -$119.0M | -$130.4M | -$133.3M | -$36.3M |
| Diluted EPS | -$1.39 | -$1.23 | -$1.56 | -$1.62 | — |
| Operating cash flow | -$184.0M | -$229.9M | -$184.2M | -$20.3M | $298.6M |
| Free cash flow | -$184.1M | -$231.2M | -$186.5M | -$24.4M | $295.3M |
| Total assets | $293.2M | $468.3M | $621.8M | $787.6M | $814.7M |
| Total liabilities | $262.6M | $341.5M | $487.7M | $573.2M | $513.9M |
| Stockholders' equity | $30.6M | $126.8M | $134.2M | $214.4M | $300.7M |
| Cash and investments | $256.0M | $413.4M | $548.9M | $712.9M | $735.3M |
| Total debt | $36.9M | $43.1M | $38.9M | $43.3M | $47.6M |
Recent SEC filings
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Material agreement, Other events
|
Oct 16, 2026 | Oct 15, 2026 |
| 8-K |
Current report
Officer or director change
|
Oct 14, 2026 | Oct 13, 2026 |
| 8-K |
Current report
Material agreement, Results of operations, Regulation FD disclosure, Other events
|
Oct 5, 2026 | Sep 30, 2026 |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Agreement ended
|
Jul 8, 2026 | Jul 6, 2026 |
All 629 Alector, Inc. SEC filings
Source: SEC EDGAR filings. This is company-reported data, not investment advice.