Revenue
2018
2019
2020
2021
2022
2023
2024
2025
Alector, Inc. (ALEC)
Price—Loading quote
Net income
2018
2019
2020
2021
2022
2023
2024
2025
Free cash flow
2018
2019
2020
2021
2022
2023
2024
2025
Total cash / debt
CashTotal debt
2018
2019
2020
2021
2022
2023
2024
2025
Financial statements
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|
| Revenue | $21.0M | $100.6M | $97.1M | $133.6M | $207.1M | $21.1M | $21.2M | $27.5M | $2.9M |
| Research & development | $123.1M | $185.9M | $192.1M | $210.4M | $189.4M | $156.9M | $100.5M | $73.0M | $29.9M |
| Operating expenses | $177.1M | $245.6M | $248.8M | $271.5M | $244.4M | $216.3M | $135.6M | $85.0M | $36.4M |
| Operating income | −$156.0M | −$145.0M | −$151.7M | −$137.8M | −$37.4M | −$195.2M | −$114.4M | −$57.3M | −$32.7M |
| EBITDAderived | −$150.3M | −$139.6M | −$146.0M | −$132.1M | −$31.0M | −$189.3M | −$110.6M | −$56.3M | −$32.0M |
| Net income | −$142.9M | −$119.0M | −$130.4M | −$133.3M | −$36.3M | −$190.2M | −$105.4M | −$52.2M | −$32.5M |
| Basic EPSper diluted share | -$1.39 | -$1.23 | -$1.56 | -$1.62 | -$0.45 | -$2.45 | -$1.71 | -$4.62 | -$3.55 |
| Diluted EPSper diluted share | -$1.39 | -$1.23 | -$1.56 | -$1.62 | -$0.45 | -$2.45 | -$1.71 | -$4.62 | -$3.55 |
Insider buys & sells
| Transaction | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| Jun 3, 2026Form 4 | Wong-Sarad GracePrincipal Accounting Officer | SellCommon Stock | 3.5K | $1.88 | $6.5K | 95.5K |
| Jun 2, 2026Form 4 | Rosenthal ArnonChief Executive Officer | SellCommon Stock | 87.2K | $1.97 | $171.8K | 2.37M |
| Jun 2, 2026Form 4 | Wong-Sarad GracePrincipal Accounting Officer | SellCommon Stock | 5.7K | $1.97 | $11.2K | 98.9K |
| Jun 2, 2026Form 4 | Berkley Neil LindsayCFO & Chief Business Officer | SellCommon Stock | 19.4K | $1.97 | $38.1K | 379.9K |
| Apr 16, 2026Form 4 · 10b5-1 | Wong-Sarad GracePrincipal Accounting Officer | SellCommon Stock | 1.8K | $2.65 | $4.8K | 104.6K |