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Gossamer Bio NasdaqGS:GOSS Gossamer Bio, Inc., a clinical-stage biopharmaceutical company, focuses on developing and commercializing seralutinib for the treatment of pulmonary arterial hypertension (PAH) in the United States. The company is developing 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.

Location: 3115 Merryfield Row, San Diego, CA, 92121, United States | Website: https://www.gossamerbio.com | Industry: Biotechnology | Sector: Healthcare

Market Cap

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52 Wk Range

$ - $

Previous Close

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Open

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Day Range

N/A - N/A

Volume

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Avg Volume

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Enterprise Value

201.7M

Cash

257.9M

Avg Qtr Burn

N/A

Short % of Float

5.74%

Insider Ownership

3.51%

Institutional Own.

76.01%

Qtr Updated

03/31/25

Drug Pipeline

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Drug & Indication	Stage & Event	Catalyst Date
Seralutinib (GB002) (Inhaled PDGF receptor kinase inhibitor) Details Rare diseases, Pulmonary arterial hypertension, Lung disease	Phase 3 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Seralutinib (GB002) Details Lung disease, Pulmonary hypertension associated with interstitial lung disease	Phase 3 Initiation	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
GB001 (Oral DP2 Antagonist) Details Asthma	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
GB1275 (Oral CD11b modulator) Details Solid tumor/s, Esophageal cancer, Cancer, Gastric cancer	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
GB004 (Oral HIF-1α stabilizer) Details Ulcerative colitis	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.