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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001104659-24-014704
Filing Date
2024-02-12
Accepted
2024-02-12 16:40:17
Documents
1
Period of Report
2024-02-12

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT tm245865-6_4seq1.html 4  
1 OWNERSHIP DOCUMENT tm245865-6_4seq1.xml 4 30592
  Complete submission text file 0001104659-24-014704.txt   32055
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: 1231
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)

Mailing Address 80 ARKAY DRIVE HAUPPAUGE NY 11788
Business Address
MCCLUSKI STEPHEN C (Reporting) CIK: 0001188728 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-17999 | Film No.: 24620671