Form SC 13G/A ImmunoGen, Inc. Filed by: FMR LLC Feb 9, 2023 11:23AM
Form SC 13G/A ImmunoGen, Inc. Filed by: FMR LLC Feb 9, 2022 09:23AM
Form SC 13G ImmunoGen, Inc. Filed by: FMR LLC Feb 8, 2021 10:26AM
Form SC 13G/A IMMUNOGEN INC Filed by: FMR LLC Nov 10, 2016 11:50AM
Form SC 13G/A IMMUNOGEN INC Filed by: FMR LLC Feb 12, 2016 09:16AM


Feb 13, 2015 10:18AM Form SC 13G/A IMMUNOGEN INC Filed by: FMR LLC
Aug 10, 2009 06:04PM FMR (Fidelity) Discloses A Number of New 10%+ Stakes (ZLC, TXI, TTEK, MYRX, NZ, KLAC, MGI, PRSC, MITI, ICUI, IMGN