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Filing metadata

Accession number: 0001179110-15-006496
Form type: Form 4
Filer: ImmunoGen, Inc.
CIK: CIK 855654
Filed: Apr 22, 2015
Reporting period: Apr 21, 2015
Description: Insider transaction

Documents

0001179110-15-006496-index.htm

Complete submission

0001179110-15-006496.txt

directory listing

Filed by

ImmunoGen, Inc.