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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001104659-24-021172
Filing Date
2024-02-13
Accepted
2024-02-13 17:06:22
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A tv01170-immunogeninc.htm SC 13G/A 11435
  Complete submission text file 0001104659-24-021172.txt   13041
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600 6106691000
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

IRS No.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A

Mailing Address 830 WINTER ST WALTHAM MA 02451
Business Address 830 WINTER ST WALTHAM MA 02451 (781)895-0600
ImmunoGen, Inc. (Subject) CIK: 0000855654 (see all company filings)

IRS No.: 042726691 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-40774 | Film No.: 24628632
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)