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Filing metadata

Accession number: 0001415889-23-007093
Form type: Form 3
Filer: ImmunoGen, Inc.
CIK: CIK 855654
Filed: May 02, 2023
Reporting period: Apr 24, 2023
Description: Initial ownership

Documents

0001415889-23-007093-index.htm

Complete submission

0001415889-23-007093.txt

directory listing

Filed by

ImmunoGen, Inc.