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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001179110-10-002148
Filing Date
2010-02-05
Accepted
2010-02-05 10:50:59
Documents
1
Period of Report
2009-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 4 - edgar.html 4  
1 FORM 4 - edgar.xml 4 4366
  Complete submission text file 0001179110-10-002148.txt   6071
Mailing Address 830 WINTER ST WALTHAM MA 02451
Business Address 830 WINTER ST WALTHAM MA 02451 (781)895-0600
IMMUNOGEN INC (Issuer) CIK: 0000855654 (see all company filings)

IRS No.: 042726691 | State of Incorp.: MA | Fiscal Year End: 0630
SIC: 2834 Pharmaceutical Preparations

Mailing Address C/O MEDAREX, INC 707 STATE ROAD PRINCETON NJ 08540
Business Address
PIEN HOWARD H (Reporting) CIK: 0001187152 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-17999 | Film No.: 10575990