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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001415889-23-015268
Filing Date
2023-11-17
Accepted
2023-11-17 19:52:55
Documents
1
Period of Report
2023-11-15

Document Format Files

Seq Description Document Type Size
1 form4-11182023_121148.html 4  
1 form4-11182023_121148.xml 4 30232
  Complete submission text file 0001415889-23-015268.txt   31584
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
Office of Life Sciences

Mailing Address 11 RUSH POND RD LAKEVILLE MA 02347
Business Address
Coen Stacy Ann (Reporting) CIK: 0001814150 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-17999 | Film No.: 231420492