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. 0001415889-23-013432
Filing Date
2023-09-19
Accepted
2023-09-19 17:39:44
Documents
1
Period of Report
2023-09-18

Document Format Files

Seq Description Document Type Size
1 form4-09192023_090937.html 4  
1 form4-09192023_090937.xml 4 6669
  Complete submission text file 0001415889-23-013432.txt   8065
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

Mailing Address C4 THERAPEUTICS, INC. 490 ARSENAL WAY, SUITE 200 WATERTOWN MA 02472
Business Address
White Lauren (Reporting) CIK: 0001864430 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-17999 | Film No.: 231264834