Atreca, Inc., a clinical-stage biopharmaceutical company, discovers and develops antibody-based immunotherapeutics to treat a range of solid tumor types. Its lead product candidate is ATRC-101, a monoclonal antibody with a novel mechanism of action and target derived from an antibody identified using its discovery platform. The company’s ATRC-101 product candidate reacts in vitro with a majority of human ovarian, non-small cell lung, colorectal, and breast cancer samples from multiple patients; and ATRC-501/MAM01, that targets the circumsporozoite protein of Plasmodium falciparum for the treatment of malaria. Its products in pre-clinical stage include APN-497444, an antibody drug conjugate (ADC) against a novel tumor glycan target; and APN-346958, a CD3 bispecific T-cell engager against an RNA-binding protein target.