Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001558370-20-002399
Filing Date
2020-03-11
Accepted
2020-03-11 16:02:29
Documents
93
Period of Report
2019-12-31

Document Format Files

Seq Description Document Type Size
1 10-K imgn-20191231x10kd363eb.htm   iXBRL 10-K 2894109
2 EX-4.3 ex-4d3.htm EX-4.3 24472
3 EX-10.7(A) ex-10d7a.htm EX-10.7(A) 49596
4 EX-10.11(F) ex-10d11f.htm EX-10.11(F) 60439
5 EX-21 ex-21.htm EX-21 8520
6 EX-23 ex-23.htm EX-23 6185
7 EX-31.1 ex-31d1.htm EX-31.1 21000
8 EX-32 ex-32.htm EX-32 10821
  Complete submission text file 0001558370-20-002399.txt   13275073

Data Files

Seq Description Document Type Size
9 EX-101.SCH imgn-20191231.xsd EX-101.SCH 77984
10 EX-101.CAL imgn-20191231_cal.xml EX-101.CAL 63676
11 EX-101.DEF imgn-20191231_def.xml EX-101.DEF 384699
12 EX-101.LAB imgn-20191231_lab.xml EX-101.LAB 713088
13 EX-101.PRE imgn-20191231_pre.xml EX-101.PRE 645014
79 EXTRACTED XBRL INSTANCE DOCUMENT imgn-20191231x10kd363eb_htm.xml XML 2623576
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)

EIN.: 042726691 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-17999 | Film No.: 20705244
SIC: 2834 Pharmaceutical Preparations