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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-21-146344
Filing Date
2021-12-03
Accepted
2021-12-03 16:07:07
Documents
20
Period of Report
2021-12-01
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 FORM 8-K tm2134530d1_8k.htm   iXBRL 8-K 33743
2 EXHIBIT 1.1 tm2134530d1_ex1-1.htm EX-1.1 252211
3 EXHIBIT 4.1 tm2134530d1_ex4-1.htm EX-4.1 94841
4 EXHIBIT 5.1 tm2134530d1_ex5-1.htm EX-5.1 8162
5 EXHIBIT 99.1 tm2134530d1_ex99-1.htm EX-99.1 5961
6 EXHIBIT 99.2 tm2134530d1_ex99-2.htm EX-99.2 16476
7 EXHIBIT 99.3 tm2134530d1_ex99-3.htm EX-99.3 34358
11 GRAPHIC tm2134530d1_ex5-1img001.jpg GRAPHIC 2303
12 GRAPHIC tm2134080d3_ex1-1img001.jpg GRAPHIC 8191
  Complete submission text file 0001104659-21-146344.txt   739991

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION SCHEMA imgn-20211201.xsd EX-101.SCH 3028
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE imgn-20211201_lab.xml EX-101.LAB 34240
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE imgn-20211201_pre.xml EX-101.PRE 22361
13 EXTRACTED XBRL INSTANCE DOCUMENT tm2134530d1_8k_htm.xml XML 3462
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: 8-K | Act: 34 | File No.: 000-17999 | Film No.: 211470036
SIC: 2834 Pharmaceutical Preparations