BlackRock, Inc. 13D and 13G filings for Alector, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-04-27 4:12 pm Purchase | 2026-03-31 | 13G | ALECTOR INC ALEC | BlackRock, Inc. BLK | 5,784,214 5.200% | 604,409 (+11.67%) | Filing |
| 2026-01-21 12:30 pm Sale | 2025-12-31 | 13G | ALECTOR INC ALEC | BlackRock, Inc. BLK | 5,179,805 4.700% | -21,287 (-0.41%) | Filing |
| 2025-10-17 6:40 pm Sale | 2025-09-30 | 13G | ALECTOR INC ALEC | BlackRock, Inc. BLK | 5,201,092 5.100% | -915,472 (-14.97%) | Filing |
| 2025-04-17 09:35 am Sale | 2025-03-31 | 13G | ALECTOR INC ALEC | BlackRock, Inc. BLK | 6,116,564 6.200% | -1,951,989 (-24.19%) | Filing |
| 2024-01-24 2:27 pm Purchase | 2023-12-31 | 13G | ALECTOR INC ALEC | BlackRock, Inc. BLK | 8,068,553 9.600% | 699,933 (+9.50%) | Filing |
| 2023-01-25 10:36 am Purchase | 2022-12-31 | 13G | ALECTOR INC ALEC | BlackRock, Inc. BLK | 7,368,620 8.900% | 1,988,211 (+36.95%) | Filing |
| 2022-02-03 4:29 pm Purchase | 2021-12-31 | 13G | ALECTOR INC ALEC | BlackRock, Inc. BLK | 5,380,409 6.600% | 218,213 (+4.23%) | Filing |