Gossamer Bio, Inc. is a San Diego-based clinical-stage biopharmaceutical company dedicated to advancing innovative therapies targeting immunology, inflammation, and oncology. With a promising pipeline driven by cutting-edge scientific discovery, Gossamer Bio aims to address significant unmet medical needs through its diverse array of drug candidates. As the company navigates clinical trials, it is positioned to offer transformative treatment options for patients dealing with complex diseases, reinforcing its role as a key player in the competitive biopharmaceutical landscape. Show more

Location: 3115 MERRYFIELD ROW, SAN DIEGO, CA, UNITED STATES, 92121, San Diego, CA, 92121, USA | Website: https://www.gossamerbio.com | Industry: BIOTECHNOLOGY | Sector: HEALTHCARE

Market Cap

527.7M

52 Wk Range

$0.76 - $3.87

Previous Close

$2.42

Open

$2.43

Volume

4,638,149

Day Range

$2.27 - $2.47

Enterprise Value

550.4M

Cash

8.933M

Avg Qtr Burn

-36.17M

Insider Ownership

4.16%

Institutional Own.

78.55%

Qtr Updated

09/30/25

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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 Pulmonary hypertension associated with interstitial lung disease (PH-ILD)	Phase 3 Update	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.
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.
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.