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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001558370-21-002170
Filing Date
2021-03-01
Accepted
2021-03-01 16:24:43
Documents
91
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 10-K imgn-20201231x10k.htm   iXBRL 10-K 2166196
2 EX-4.3 imgn-20201231xex4d3.htm EX-4.3 22469
3 EX-10.6 imgn-20201231xex10d6.htm EX-10.6 755644
4 EX-10.19 imgn-20201231xex10d19.htm EX-10.19 109650
5 EX-21 imgn-20201231xex21.htm EX-21 5181
6 EX-23 imgn-20201231xex23.htm EX-23 4340
7 EX-31.1 imgn-20201231xex31d1.htm EX-31.1 16120
8 EX-31.2 imgn-20201231xex31d2.htm EX-31.2 16153
9 EX-32 imgn-20201231xex32.htm EX-32 14317
  Complete submission text file 0001558370-21-002170.txt   11375892

Data Files

Seq Description Document Type Size
10 EX-101.SCH imgn-20201231.xsd EX-101.SCH 75535
11 EX-101.CAL imgn-20201231_cal.xml EX-101.CAL 57604
12 EX-101.DEF imgn-20201231_def.xml EX-101.DEF 383678
13 EX-101.LAB imgn-20201231_lab.xml EX-101.LAB 692567
14 EX-101.PRE imgn-20201231_pre.xml EX-101.PRE 624588
15 EXTRACTED XBRL INSTANCE DOCUMENT imgn-20201231x10k_htm.xml XML 1766376
Mailing Address 830 WINTER ST WALTHAM MA 02451
Business Address 830 WINTER ST WALTHAM MA 02451 (781)895-0600
ImmunoGen, Inc. (Filer) CIK: 0000855654 (see all company filings)

IRS No.: 042726691 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-17999 | Film No.: 21698152
SIC: 2834 Pharmaceutical Preparations