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 |
| 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 |
| 2021-02-12 5:22 pm Purchase | 2020-12-31 | 13G | Alector, Inc. ALEC | Polaris Venture Partners VI L.P. | 12,886,666 16.300% | 13,472 (+0.10%) | Filing |
| 2020-02-12 4:45 pm Purchase | 2019-12-31 | 13G | Alector, Inc. ALEC | Polaris Venture Partners VI L.P. | 12,873,194 18.700% | 12,873,194 (New Position) | Filing |