Redmile Group, LLC 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 |
| 2024-02-14 4:26 pm Sale | 2023-12-31 | 13G | ImmunoGen, Inc. IMGN | Redmile Group, LLC | 16,423,922 5.900% | -3,472,531 (-17.45%) | Filing |
| 2023-02-14 4:20 pm Purchase | 2022-12-31 | 13G | ImmunoGen, Inc. IMGN | Redmile Group, LLC | 19,896,453 8.600% | 274,472 (+1.40%) | Filing |
| 2022-02-14 5:07 pm Purchase | 2021-12-31 | 13G | ImmunoGen, Inc. IMGN | Redmile Group, LLC | 19,621,981 8.500% | 9,093,802 (+86.38%) | Filing |
| 2021-02-16 4:10 pm Sale | 2020-12-31 | 13G | ImmunoGen, Inc. IMGN | Redmile Group, LLC | 10,528,179 5.600% | -4,111,781 (-28.09%) | Filing |