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 |
| 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 |
| 2021-02-02 3:13 pm Purchase |
2020-12-31 | 13G | Alector, Inc. ALEC |
BLACKROCK INC BLK |
5,162,196 6.500% |
5,162,196 (New Position) |
Filing |