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 |
| 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 |