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+4.0%Gossamer Bio, Inc., a clinical-stage biopharmaceutical company, focuses on discovering, acquiring, developing, and commercializing therapeutics in the disease areas of immunology, inflammation, and oncology in the United States. The company is developing GB002, an inhaled, small molecule, platelet-derived growth factor receptor, or PDGFR, colonystimulating factor 1 receptor, or CSF1R, and c-KIT inhibitor for the treatment of pulmonary arterial hypertension; GB004, a gut-targeted, oral small molecule for the treatment of inflammatory bowel disease; GB5121, an oral, irreversible, covalent, small molecule inhibitor of Bruton's Tyrosine Kinase for the treatment of primary central nervous system lymphoma; and GB7208, an oral, small molecule, BTK inhibitor for the treatment of multiple sclerosis. It has license agreements with Pulmokine, Inc. to develop and commercialize GB002 and related backup compounds; and Aerpio Pharmaceuticals, Inc. to develop and commercialize GB004 and related compounds. The company was formerly known as FSG, Bio, Inc. and changed its name to Gossamer Bio, Inc. in 2017. Gossamer Bio, Inc. was incorporated in 2015 and is headquartered in San Diego, California.
Chief Medical Officer
Compensation
$677,492
Chief Operating Officer & Chief Financial Officer
Compensation
$739,622
Co-Founder, Chief Executive Officer, President & Chairman
Compensation
$961,995
Executive Vice President of Regulatory Affairs
Executive Vice President of Technical Operations & Administration
Compensation
$583,156
General Counsel & Secretary
Senior Vice President of Biometrics
Senior Vice President of Clinical Development of Pulmonary Vascular Disease
Senior Vice President of Human Resources
Senior Vice President of Marketing
During the last 12 months, insiders have purchased $988K worth of GOSS shares, with no selling activity reported.
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716.0K
988.42K
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+988K
+$988K
Milligan Sandra
Director
$206K
Daniel Thomas O
Director
$156K
Nathan Steven D
Director
$156K
Cox Russell J.
Director
$156K
Quisel John D
Director
$156K
No selling activity
Strong bullish signal with $988K net buying. Insiders are aggressively accumulating shares, suggesting significant confidence in future prospects.
Perfect buy/sell ratio. Only buying activity with zero selling—the most bullish possible insider signal.
5 insider buyers vs. 0 sellers. Broad-based buying across management team suggests widespread confidence.
Compelling insider conviction: The combination of strong buy/sell ratio and multiple buyers suggests insiders see attractive risk/reward. Consider this alongside fundamental analysis for confirmation.
GOSS - Filing history and reports
| Filing Type | Filing Date | Period Ending | Fiscal Year | Actions |
|---|---|---|---|---|
DEF 14A DEF 14A 2026 N/A | April 24, 2026 | April 24, 2026 | 2026 | |
DEF 14A DEF 14A 2025 N/A | April 29, 2025 | April 28, 2025 | 2025 | |
DEF 14A DEF 14A 2024 N/A | April 24, 2024 | April 16, 2024 | 2024 | |
DEF 14A DEF 14A N/A | April 28, 2023 | April 28, 2023 | ||
DEF 14A DEF 14A 2022 N/A | April 27, 2022 | June 09, 2022 | 2022 | |
DEF 14A DEF 14A 2021 N/A | April 27, 2021 | June 09, 2021 | 2021 | |
DEF 14A DEF 14A 2020 N/A | April 27, 2020 | June 17, 2020 | 2020 | |
DEF 14A DEF 14A 2019 N/A | April 30, 2019 | June 10, 2019 | 2019 |
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