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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-23-122415
Filing Date
2023-11-30
Accepted
2023-11-30 16:05:25
Documents
15
Period of Report
2023-11-30
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 tm2331816d2_8k.htm   iXBRL 8-K 51026
2 EXHIBIT 2.1 tm2331816d2_ex2-1.htm EX-2.1 488740
3 EXHIBIT 99.1 tm2331816d2_ex99-1.htm EX-99.1 28485
7 GRAPHIC tm2331816d2_ex99-1img001.jpg GRAPHIC 4033
  Complete submission text file 0001104659-23-122415.txt   868358

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA imgn-20231130.xsd EX-101.SCH 3018
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE imgn-20231130_lab.xml EX-101.LAB 34240
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE imgn-20231130_pre.xml EX-101.PRE 22361
9 EXTRACTED XBRL INSTANCE DOCUMENT tm2331816d2_8k_htm.xml XML 3185
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.: 231455715
SIC: 2834 Pharmaceutical Preparations