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Filing metadata

Accession number: 0001415889-23-000097
Form type: Form 3
Filer: ImmunoGen, Inc.
CIK: CIK 855654
Filed: Jan 03, 2023
Reporting period: Dec 29, 2022
Description: Initial ownership

Documents

0001415889-23-000097-index.htm

Complete submission

0001415889-23-000097.txt

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Filed by

ImmunoGen, Inc.