Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001415889-22-012991
Filing Date
2022-12-27
Accepted
2022-12-27 17:14:38
Documents
1
Period of Report
2022-05-20

Document Format Files

Seq Description Document Type Size
1 form4-12272022_101224.html 4  
1 form4-12272022_101224.xml 4 6659
  Complete submission text file 0001415889-22-012991.txt   8015
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)

EIN.: 042726691 | State of Incorp.: MA | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations

Mailing Address 45 TENNYSON ST. SOMERVILLE MA 02145
Business Address
ALTSCHULLER Susan (Reporting) CIK: 0001817988 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-17999 | Film No.: 221491026