SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001415889-23-014915
Filing Date
2023-11-08
Accepted
2023-11-08 17:53:58
Documents
1
Period of Report
2023-11-07

Document Format Files

Seq Description Document Type Size
1 form4-11082023_101151.html 4  
1 form4-11082023_101151.xml 4 5360
  Complete submission text file 0001415889-23-014915.txt   6734
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 1578 SE BALLANTRAE COURT PORT SAINT LUCIE FL 34952
Business Address
Wallace Richard John (Reporting) CIK: 0001357149 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-17999 | Film No.: 231389446