Attached files

file filename
EX-32 - EX-32 - ImmunoGen, Inc.imgn-20201231xex32.htm
EX-31.2 - EX-31.2 - ImmunoGen, Inc.imgn-20201231xex31d2.htm
EX-31.1 - EX-31.1 - ImmunoGen, Inc.imgn-20201231xex31d1.htm
EX-23 - EX-23 - ImmunoGen, Inc.imgn-20201231xex23.htm
EX-10.19 - EX-10.19 - ImmunoGen, Inc.imgn-20201231xex10d19.htm
EX-10.6 - EX-10.6 - ImmunoGen, Inc.imgn-20201231xex10d6.htm
EX-4.3 - EX-4.3 - ImmunoGen, Inc.imgn-20201231xex4d3.htm
10-K - 10-K - ImmunoGen, Inc.imgn-20201231x10k.htm

Exhibit 21

SUBSIDIARIES

Name

Jurisdiction of Organization

Hurricane, LLC

Massachusetts

ImmunoGen BioPharma (Ireland) Limited

Ireland

ImmunoGen Europe Limited

United Kingdom

ImmunoGen Securities Corp.

Massachusetts