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Filing
Form 3
Form 3
0001415889-23-013431
·
ImmunoGen, Inc.
Filer
Filing index
Filing metadata
Accession number
0001415889-23-013431
Form type
Form 3
Filer
ImmunoGen, Inc.
CIK
CIK 855654
Filed
Sep 19, 2023
Reporting period
Sep 18, 2023
Description
Initial ownership
Documents
Filing index
0001415889-23-013431-index.htm
Complete submission
0001415889-23-013431.txt
All documents
directory listing
Filed by
ImmunoGen, Inc.
CIK 855654
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