Gossamer Bio, Inc. (GOSS) Research

Gossamer Bio, Inc. operates as a U.S.-based, clinical-stage biopharmaceutical company. Its primary objective is to discover, acquire, advance, and market novel therapeutic solutions, specifically addressing conditions within immunology, inflammatory diseases, and oncology. The company's pipeline highlights several key drug candidates: GB002: An inhaled small molecule designed to inhibit platelet-derived growth factor receptor (PDGFR), colony-stimulating factor 1 receptor (CSF1R), and c-KIT, currently being developed for pulmonary arterial hypertension. GB004: An oral, gut-targeted small molecule in development for treating inflammatory bowel disease. GB5121: An oral, irreversible covalent small molecule that targets Bruton's Tyrosine Kinase (BTK), intended for primary central nervous system lymphoma. GB7208: Another oral small molecule BTK inhibitor, under investigation for multiple sclerosis. To support its drug development initiatives, Gossamer Bio has forged strategic licensing partnerships. It holds agreements with Pulmokine, Inc. for the advancement and commercialization of GB002 and its associated backup compounds. Additionally, the company collaborates with Aerpio Pharmaceuticals, Inc. regarding GB004 and related chemical entities. Founded in 2015, the enterprise was initially known as FSG, Bio, Inc. before rebranding as Gossamer Bio, Inc. in 2017. Its corporate headquarters are situated in San Diego, California.

Market snapshot

Symbol
GOSS
Price
$0.17
Day change
-6.15%
Market cap
$39.4M
P/E ratio
-0.22x
52-week range
0.14-3.87
Sector
Healthcare
Industry
Biotechnology
Next earnings
in 2 months
Analyst price target
$0.77

Peer companies

  • Corvus Pharmaceuticals, Inc. (CRVS)
  • 4D Molecular Therapeutics, Inc. (FDMT)
  • KalVista Pharmaceuticals, Inc. (KALV)
  • Lexicon Pharmaceuticals, Inc. (LXRX)
  • Olema Pharmaceuticals, Inc. (OLMA)
  • Prothena Corporation plc (PRTA)
  • RAPT Therapeutics, Inc. (RAPT)
  • REGENXBIO Inc. (RGNX)

Recent insider activity

  • Quisel John D — A-Award (115000 shares) on 2026-06-04
  • Drynan Skye — A-Award (115000 shares) on 2026-06-04
  • Daniel Thomas O — A-Award (115000 shares) on 2026-06-04
  • Cox Russell J. — A-Award (115000 shares) on 2026-06-04
  • Milligan Sandra — A-Award (115000 shares) on 2026-06-04

Open Gossamer Bio, Inc. (GOSS) in Thesis for live fundamentals, charts, options context, and portfolio-aware Copilot follow-ups.