Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001415889-23-013290
Filing Date
2023-09-14
Accepted
2023-09-14 17:29:33
Documents
1
Period of Report
2023-09-12

Document Format Files

Seq Description Document Type Size
1 form4-09142023_090922.html 4  
1 form4-09142023_090922.xml 4 12850
  Complete submission text file 0001415889-23-013290.txt   14201
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 830 WINTER STREET WALTHAM MA 02451
Business Address
Lentini Renee (Reporting) CIK: 0001838777 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-17999 | Film No.: 231255999