Tempest Therapeutics Inc., a clinical-stage oncology company, engages in developing small molecule therapeutics to treat cancer. The company's two clinical programs are TPST-1495, a dual antagonist of EP2 and EP4, receptors of prostaglandin E2, and is currently in a Phase 1 trial in solid tumors; and TPST-1120, a selective antagonist of peroxisome proliferator-activated receptor alpha that is in a Phase 1 trial in solid tumors. It also develops TREX-1, a key cellular enzyme that regulates the innate immune response in tumors. The company was founded in 2011 and is headquartered in South San Francisco, California. Tempest Therapeutics Inc. was formerly a subsidiary of Inception Sciences, Inc.