Compass Therapeutics, Inc. is a clinical-stage oncology-focused biopharmaceutical company developing antibody-based therapeutics to treat multiple human diseases. Its product candidates include CTX-009, in Phase II clinical trials for biliary tract cancers and Phase Ib clinical trial for colorectal and ovarian cancer, and CTX-471, in Phase I clinical trials for patients with solid tumors (small cell lung cancer and melanoma). Compass Therapeutics was founded in 2014 and is headquartered in Boston, MA.