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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000921895-10-000185
Filing Date
2010-02-10
Accepted
2010-02-10 16:15:05
Documents
2

Document Format Files

Seq Description Document Type Size
1 AMENDMENT NO. 4 TO THE SCHEDULE 13G sc13ga407422imm_12312009.htm SC 13G/A 230002
2 JOINT FILING AGREEMENT ex991to13ga407422imm_123109.htm EX-99.1 34230
  Complete submission text file 0000921895-10-000185.txt   266141
Mailing Address 830 WINTER ST WALTHAM MA 02451
Business Address 830 WINTER ST WALTHAM MA 02451 (781)895-0600
IMMUNOGEN INC (Subject) CIK: 0000855654 (see all company filings)

IRS No.: 042726691 | State of Incorp.: MA | Fiscal Year End: 0630
Type: SC 13G/A | Act: 34 | File No.: 005-40774 | Film No.: 10588074
SIC: 2834 Pharmaceutical Preparations

Mailing Address 900 N. MICHIGAN AVENUE, SUITE 1100 CHICAGO IL 60611
Business Address 900 N. MICHIGAN AVENUE, SUITE 1100 CHICAGO IL 60611 3125066500
BIOTECHNOLOGY VALUE FUND L P (Filed by) CIK: 0000918923 (see all company filings)

IRS No.: 363924731 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6282 Investment Advice