ADAGE CAPITAL PARTNERS GP L.L.C. 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 |
| 2024-02-07 07:56 am Sale | 2023-12-31 | 13G | ImmunoGen, Inc. IMGN | ADAGE CAPITAL PARTNERS GP L.L.C. | 971,928 0.350% | -10,147,072 (-91.26%) | Filing |
| 2022-12-27 4:30 pm Sale | 2022-12-15 | 13G | ImmunoGen, Inc. IMGN | ADAGE CAPITAL PARTNERS GP L.L.C. | 11,119,000 5.040% | -467,193 (-4.03%) | Filing |
| 2022-04-04 4:30 pm Purchase | 2022-03-23 | 13G | ImmunoGen, Inc. IMGN | ADAGE CAPITAL PARTNERS GP L.L.C. | 11,586,193 5.250% | 11,586,193 (New Position) | Filing |