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Filing metadata

Accession number: 0001179110-17-005794
Form type: Form 3
Filer: ImmunoGen, Inc.
CIK: CIK 855654
Filed: Apr 06, 2017
Reporting period: Mar 29, 2017
Description: Initial ownership

Documents

0001179110-17-005794-index.htm

Complete submission

0001179110-17-005794.txt

directory listing

Filed by

ImmunoGen, Inc.