ImmunoGen, Inc.
SEC Filing List

IMGN         CIK: 0000855654

Form Description Owner/Filer Filing Agent Date Actions
15-12GNotice of termination of registration of...Immunogen, Inc. Toppan Merrill/FA /fa02/22/2024
SC 13G/AAmendment to Schedule filed to report ac...Redmile Group, Llc Toppan Merrill/FA /fa02/14/2024
SC 13G/AAmendment to Schedule filed to report ac...Ra Capital Management, L.p. Toppan Merrill/FA /fa02/14/2024
SC 13G/AAmendment to Schedule filed to report ac...Vanguard Group Inc Toppan Merrill/FA /fa02/13/2024
S-8 POSPost-effective amendment to a S-8 regist...Immunogen, Inc. Toppan Merrill/FA /fa02/12/2024
25-NSENotification filed by national security ...Nasdaq Stock Market LLC /fa02/12/2024
S-8 POSPost-effective amendment to a S-8 regist...Immunogen, Inc. Toppan Merrill/FA /fa02/12/2024
S-8 POSPost-effective amendment to a S-8 regist...Immunogen, Inc. Toppan Merrill/FA /fa02/12/2024
S-8 POSPost-effective amendment to a S-8 regist...Immunogen, Inc. Toppan Merrill/FA /fa02/12/2024
S-8 POSPost-effective amendment to a S-8 regist...Immunogen, Inc. Toppan Merrill/FA /fa02/12/2024
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