State Street Corporation 13D and 13G filings for ImmunoGen, 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 |
| 2024-01-22 09:50 am Sale | 2023-12-31 | 13G | ImmunoGen, Inc. IMGN | STATE STREET CORP STT | 8,075,671 3.020% | -9,432,442 (-53.87%) | Filing |
| 2023-02-08 1:59 pm Purchase | 2022-12-31 | 13G | ImmunoGen, Inc. IMGN | STATE STREET CORP STT | 17,508,113 7.930% | 12,161,687 (+227.47%) | Filing |