BlackRock, Inc. (BLK) 13D/13G Filings for ImmunoGen, Inc. (IMGN)

BlackRock, Inc. 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.
Time period
Reported
DateTime		 Transaction
Date		 Type Company
Symbol		 Filed By
Symbol		 Shares Owned
% Owned		 Shares Vs. Prev Report View
2024-01-25
4:59 pm
Purchase		 2023-12-31 13G ImmunoGen, Inc.
IMGN		 BlackRock Inc.
BLK		 21,823,243
8.200%		 3,807,241increase
(+21.13%)		 Filing
2023-02-03
4:27 pm
Purchase		 2022-12-31 13G ImmunoGen, Inc.
IMGN		 BlackRock Inc.
BLK		 18,016,002
8.200%		 3,152,698increase
(+21.21%)		 Filing
2022-03-11
2:13 pm
Unchanged		 2021-12-31 13G ImmunoGen, Inc.
IMGN		 BlackRock Inc.
BLK		 14,863,304
6.900%		 0
(Unchanged)		 Filing
2022-02-08
5:05 pm
Sale		 2021-12-31 13G ImmunoGen, Inc.
IMGN		 BlackRock Inc.
BLK		 14,863,304
6.900%		 -293,278decrease
(-1.93%)		 Filing
2021-01-29
09:57 am
Purchase		 2020-12-31 13G ImmunoGen, Inc.
IMGN		 BlackRock Inc.
BLK		 15,156,582
7.800%		 2,974,593increase
(+24.42%)		 Filing