Gossamer Bio, Inc. engages in discovering, acquiring, developing, and commercializing therapeutics in the disease areas of immunology, inflammation, and oncology. Its primary product candidate, GB001, is intended for the treatment of moderate-to-severe eosinophilic asthma and other allergic conditions. The company was founded by Faheem Hasnain and Sheila Gujrathi in 2015 and is headquartered in San Diego, CA.