RTW Investments, LP 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 |
| 2026-02-17 08:23 am Sale | 2025-12-31 | 13G | ALECTOR INC ALEC | RTW Investments, LP | 0 0.000% | -6,990,806![]() (Position Closed) | Filing |
| 2025-11-14 08:18 am Purchase | 2025-09-30 | 13G | ALECTOR INC ALEC | RTW Investments, LP | 6,990,806 6.900% | 6,990,806![]() (New Position) | Filing |

