Alector, Inc.
Financial highlights
| Metric | FY December 31, 2025 | FY December 31, 2024 | FY December 31, 2023 | FY December 31, 2022 | FY December 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 |
| Operating expenses | $177.1M | $245.6M | $248.8M | $271.5M | $244.4M |
| Cash from operations | -$184.0M | -$229.9M | -$184.2M | -$20.3M | $298.6M |
| Capital expenditure | $41,000 | $1.3M | $2.4M | $4.1M | $3.2M |
| Free cash flow | -$184.1M | -$231.2M | -$186.5M | -$24.4M | $295.3M |
| Impairments | — | — | $0 | $0 | — |
| Total assets | $293.2M | $468.3M | $621.8M | $787.6M | $814.7M |
| Total liabilities | $262.6M | $341.5M | $487.7M | $573.2M | $513.9M |
Shares outstanding 111.0M · Free float 76.5%
Annual filing data through FY ended December 31, 2025; float as of June 27, 2026.