BioAtla, Inc., a clinical-stage biopharmaceutical company, develops specific and selective antibody-based therapeutics for the treatment of solid tumor cancer. The company's lead clinical stage product candidates include mecbotamab vedotin (BA3011), a conditionally active biologic (CAB) antibody-drug conjugate (ADC), which is in Phase II clinical trial for treating undifferentiated pleomorphic sarcoma and non-small cell lung cancer (NSCLC); and ozuriftabmab vedotin (BA3021), a CAB ADC that is in Phase II clinical trial for the treatment of melanoma and squamous cell cancer of the head and neck. It is also developing Evalstotug (BA3071), a CAB anti-cytotoxic T-lymphocyte-associated antigen 4 antibody, which is in Phase II clinical trial for treating melanoma, renal cell carcinomas, colorectal cancer, and NSCLC; and BA3182, a bispecific candidate that is in Phase 1 study for the treatment of adenocarcinomas, as well as BA3361 and BA3142, both in preclinical studies for treating multiple tumor types and solid tumors respectively. The company was founded in 2007 and is headquartered in San Diego, California.