SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001415889-23-013431
Filing Date
2023-09-19
Accepted
2023-09-19 17:37:04
Documents
2
Period of Report
2023-09-18

Document Format Files

Seq Description Document Type Size
1 form3-09192023_090958.html 3  
1 form3-09192023_090958.xml 3 1658
2 ex24-09192023_090900.htm EX-24 5501
  Complete submission text file 0001415889-23-013431.txt   8555
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: 3 | Act: 34 | File No.: 000-17999 | Film No.: 231264825