Peak Bio Inc. is a clinical-stage biopharmaceutical company, which engages in the commercialization of therapeutics that aim to address the medical need of patients with inflammatory, rare and specialty diseases, and cancer. It focuses on the development of treatment of alpha-1 antitrypsin (AAT) deficiency (AATD), a genetic disorder that may result in lung disease or liver disease. The company is headquartered in Pleasanton, CA.