The Vanguard Group 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 |
| 2024-02-13 4:59 pm Sale | 2023-12-29 | 13G | Alector, Inc. ALEC | The Vanguard Group | 4,386,541 5.210% | -1,978,070 (-31.08%) | Filing |
| 2023-02-09 10:54 am Purchase | 2022-12-30 | 13G | Alector, Inc. ALEC | The Vanguard Group | 6,364,611 7.700% | 824,371 (+14.88%) | Filing |
| 2022-02-09 3:16 pm Purchase | 2021-12-31 | 13G | Alector, Inc. ALEC | The Vanguard Group | 5,540,240 6.820% | 537,381 (+10.74%) | Filing |
| 2021-02-10 10:30 am Purchase | 2020-12-31 | 13G | Alector, Inc. ALEC | The Vanguard Group | 5,002,859 6.310% | 5,002,859 (New Position) | Filing |