Polaris Venture Partners VI, L.P. 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 |
| 2026-05-14 4:57 pm Sale | 2026-03-31 | 13G | ALECTOR INC ALEC | Polaris Venture Partners VI, L.P. | 5,173,499 4.700% | -1,921,752 (-27.09%) | Filing |
| 2025-11-13 4:41 pm Sale | 2025-09-30 | 13G | ALECTOR INC ALEC | Polaris Venture Partners VI, L.P. | 7,095,251 6.500% | -2,882,626 (-28.89%) | Filing |
| 2024-11-12 7:21 pm Sale | 2024-09-30 | 13G | ALECTOR INC ALEC | Polaris Venture Partners VI, L.P. | 9,977,877 10.200% | -997,857 (-9.09%) | Filing |
| 2024-02-09 4:48 pm Sale | 2023-12-31 | 13G | ALECTOR INC ALEC | Polaris Venture Partners VI, L.P. | 10,975,734 11.500% | -968,536 (-8.11%) | Filing |
| 2023-02-07 5:14 pm Sale | 2022-12-31 | 13G | ALECTOR INC ALEC | Polaris Venture Partners VI, L.P. | 11,944,270 14.400% | -465,960 (-3.75%) | Filing |
| 2022-02-11 5:09 pm Sale | 2021-12-31 | 13G | ALECTOR INC ALEC | Polaris Venture Partners VI, L.P. | 12,410,230 15.300% | -476,436 (-3.70%) | Filing |