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Filing Detail
Form 4/A - Statement of changes in beneficial ownership of securities: [Amend]
SEC Accession No. 0001179110-04-014847
Filing Date
2004-07-16
Accepted
2004-07-16 15:36:12
Documents
1
Period of Report
2004-07-01

Document Format Files

Seq Description Document Type Size
1 FORM 4/A - edgar.html 4/A  
1 FORM 4/A - edgar.xml 4/A 5701
  Complete submission text file 0001179110-04-014847.txt   7559
Mailing Address 128 SIDNEY ST CAMBRIDGE MA 02139
Business Address 128 SIDNEY ST CAMBRIDGE MA 02139 6179952506
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 MARK B SKALETSKY NINE FOURTH AVE WALTHAM MA 02154
Business Address NINE FOURTH AVE WALTHAM MA 02154 7606032460
SKALETSKY MARK B (Reporting) CIK: 0001073379 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4/A | Act: 34 | File No.: 000-17999 | Film No.: 04918112