Form 4 - Statement of changes in beneficial ownership of securities
SEC Accession No. 0001628280-26-063593
Filing Date
2026-09-25
Accepted
2026-09-25 16:36:05
Documents
1
Period of Report
2026-09-23

Document Format Files

Seq Description Document Type Size
1 FORM 4 wk-form4_1790368562.html 4  
1 FORM 4 wk-form4_1790368562.xml 4 4061
  Complete submission text file 0001628280-26-063593.txt   5526
Mailing Address 3115 MERRYFIELD ROW SUITE 120 SAN DIEGO CA 92121
Business Address 3115 MERRYFIELD ROW SUITE 120 SAN DIEGO CA 92121 (858) 684-1300
Gossamer Bio, Inc. (Issuer) CIK: 0001728117 (see all company filings)

EIN.: 475461709 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)

Mailing Address C/O GOSSAMER BIO, INC. 3013 SCIENCE PARK ROAD SAN DIEGO CA 92121
Business Address
Nathan Steven D (Reporting) CIK: 0002015114 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38796 | Film No.: 261410864