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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-13-026945
Filing Date
2013-04-04
Accepted
2013-04-04 06:30:53
Documents
1
Period of Report
2013-03-29
Items
Item 1.01: Entry into a Material Definitive Agreement

Document Format Files

Seq Description Document Type Size
1 8-K a13-9271_18k.htm 8-K 18508
  Complete submission text file 0001104659-13-026945.txt   19517
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: 0630
Type: 8-K | Act: 34 | File No.: 000-17999 | Film No.: 13741694
SIC: 2834 Pharmaceutical Preparations