Gossamer Bio (GOSS) SEC Filings: History & Chart

Gossamer Bio, Inc.(GOSS)

Biotechnology · San Diego, CA

$10.57-0.09 (-0.80%)

Delayed quote: Oct 6, 2026, 10:40 AM EDT

About Gossamer Bio, Inc.

Gossamer Bio, Inc., a clinical-stage biopharmaceutical company, focuses on developing and commercializing seralutinib for the treatment of pulmonary hypertension and pulmonary arterial hypertension in the United States. The company develops GB002, an inhaled, small molecule, platelet-derived growth factor receptor, or PDGFR, colony-stimulatin factor 1 receptor and c-KIT inhibitor, which is in Phase 3 clinical trial for the treatment of PAH. It has license agreements with Pulmokine, Inc. to develop and commercialize GB002 and related backup compounds. The company was formerly known as FSG, Bio, Inc. and changed its name to Gossamer Bio, Inc. in 2017. The company was incorporated in 2015 and is headquartered in San Diego, California.

San Diego, CA

162 employees

www.gossamerbio.com

Healthcare / Biotechnology

Sector: Healthcare
Industry: Biotechnology
CEO: Faheem Hasnain

View full financials

Form	Filing Date	Accepted	Document
SC 13D/A	Sep 28, 2026	Sep 28, 2026	View filing
8-K	Sep 28, 2026	Sep 28, 2026	View filing
4	Sep 25, 2026	Sep 25, 2026	View filing
4	Sep 25, 2026	Sep 25, 2026	View filing
4	Sep 25, 2026	Sep 25, 2026	View filing
4	Sep 25, 2026	Sep 25, 2026	View filing
4	Sep 25, 2026	Sep 25, 2026	View filing
4	Sep 25, 2026	Sep 25, 2026	View filing
4	Sep 25, 2026	Sep 25, 2026	View filing
8-K	Sep 23, 2026	Sep 23, 2026	View filing
3	Sep 22, 2026	Sep 22, 2026	View filing
DEF 14A	Sep 16, 2026	Sep 16, 2026	View filing
8-K	Sep 16, 2026	Sep 16, 2026	View filing
8-K	Sep 11, 2026	Sep 11, 2026	View filing
8-K	Sep 9, 2026	Sep 9, 2026	View filing
D	Sep 4, 2026	Sep 4, 2026	View filing
PRE 14A	Sep 3, 2026	Sep 3, 2026	View filing
8-K	Sep 3, 2026	Sep 3, 2026	View filing
4	Aug 26, 2026	Aug 26, 2026	View filing
4	Aug 26, 2026	Aug 26, 2026	View filing
4	Aug 26, 2026	Aug 26, 2026	View filing
4	Aug 26, 2026	Aug 26, 2026	View filing
4	Aug 26, 2026	Aug 26, 2026	View filing
8-K	Aug 26, 2026	Aug 26, 2026	View filing
SC 13D/A	Aug 24, 2026	Aug 24, 2026	View filing
8-K	Aug 21, 2026	Aug 21, 2026	View filing
8-K	Aug 13, 2026	Aug 13, 2026	View filing
10-Q	Aug 13, 2026	Aug 13, 2026	View filing
SC 13G	Jul 29, 2026	Jul 29, 2026	View filing
SC 13G/A	Jul 29, 2026	Jul 29, 2026	View filing

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