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Filing Detail
Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001179110-09-012259
Filing Date
2009-08-18
Accepted
2009-08-18 08:53:19
Documents
2
Period of Report
2009-08-17

Document Format Files

Seq Description Document Type Size
1 FORM 3 - edgar.html 3  
1 FORM 3 - edgar.xml 3 1622
2 POWER OF ATTORNEY pwilliams.txt EX-24.TXT 3497
  Complete submission text file 0001179110-09-012259.txt   6796
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 20 WHITING ROAD DOVER MA 02030
Business Address
Williams Peter J. (Reporting) CIK: 0001470111 (see all company filings)

Type: 3 | Act: 34 | File No.: 000-17999 | Film No.: 091020608