Gossamer Bio Inc. (NASDAQ: GOSS) Stock Information | RedChip
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Gossamer Bio Inc. (NASDAQ: GOSS)
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$0.17
-0.0098 ( -5.51% ) 7.1M

Gossamer Bio Inc is a clinical-stage biopharmaceutical company. It focuses on discovering, acquiring, developing, and commercializing therapeutics in the disease areas of immunology, inflammation, and oncology. The company pipeline products include Seralutinib, which address the cellular overgrowth, fibrosis, and vascular remodeling which underlie PAH (pulmonary arterial hypertension); GB004, for the treatment of inflammatory bowel disease, including ulcerative colitis and Crohn's disease; GB1275, for the treatment of oncology indications; and GB001, for the treatment of moderate-to-severe eosinophilic asthma.

Clinical Trial Pipeline Stages


Drug Name Stage
Seralutinib (GB002) (Inhaled PDGF receptor kinase inhibitor)DetailsLung disease, Pulmonary hypertension associated with interstitial lung disease Phase 3
Seralutinib (GB002) (Inhaled PDGF receptor kinase inhibitor)DetailsPulmonary arterial hypertension, Lung disease, Rare diseases Phase 2
GB1275 (Oral CD11b modulator)DetailsSolid tumor/s, Esophageal cancer, Cancer, Gastric cancer Failed
GB001 (Oral DP2 Antagonist)DetailsAsthma Failed

Market Data


Open $0.17
Previous Close $0.18
Volume 7.1M
Market Cap $44.19M
Day Range $0.17 - $0.18
52 Week Range $0.16 - $3.87
Shares Outstanding 234.70M
Change % -5.51%
Net Change ▼ -0.0098
Insider Ownership -0.05%
Exchange NASDAQ
SectorHealthcare
IndustryBiotechnology: Pharmaceutical Preparations
IPO Year2019
CountryUnited States
UnderwriterIPO Intelligence Only

Insider Ownership Transactions

Total Amount Purchased: -6,039,876.00

Date Type Amount Purchased Purchaser
2025-08-20 Buy 26050.00 Milligan Sandra
2025-08-20 Buy 26050.00 Milligan Sandra
2024-06-25 Sale -1908.00 Aranda Richard
2024-06-24 Buy 372000.00 Hasnain Faheem
2024-06-20 Buy 100000.00 Giraudo Bryan
2024-06-20 Buy 25000.00 Smith Robert Paul JR
2024-06-06 Sale -115000.00 Milligan Sandra
2024-06-06 Sale -115000.00 Quisel John D
2024-06-06 Sale -115000.00 Daniel Thomas O
2024-06-06 Sale -115000.00 Cox Russell J.

SEC Filings


Form Type Description Pages Date
10-q Quarterly Reports 73 Aug 05, 2025
8-k 8K-related 14 Aug 05, 2025
4 Insider transactions 1 Jun 26, 2025
4 Insider transactions 1 Jun 26, 2025
4 Insider transactions 1 Jun 26, 2025
4 Insider transactions 1 Jun 26, 2025
4 Insider transactions 1 Jun 26, 2025
4 Insider transactions 1 Jun 26, 2025
8-k 8K-related 12 Jun 25, 2025
8-k 8K-related 14 Jun 16, 2025

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