Form SCHEDULE 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0001104659-25-079905
Filing Date
2025-08-18
Accepted
2025-08-18 17:52:19
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13D/A  
1 primary_doc.xml SCHEDULE 13D/A 13744
  Complete submission text file 0001104659-25-079905.txt   15620
Mailing Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014
Business Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 2123395600
BAKER BROS. ADVISORS LP (Filed by) CIK: 0001263508 (see all company filings)

EIN.: 134093645 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13D/A

Mailing Address 325 E MIDDLEFIELD ROAD MOUNTAIN VIEW CA 94043
Business Address 325 E MIDDLEFIELD ROAD MOUNTAIN VIEW CA 94043 650-965-7873
IGM Biosciences, Inc. (Subject) CIK: 0001496323 (see all company filings)

EIN.: 770349194 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13D/A | Act: 34 | File No.: 005-91132 | Film No.: 251229058
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)