Alphamab Oncology, a clinical stage biopharmaceutical company, engages in the research and development, manufacture, and commercialization of oncology biologics. Its product pipeline includes KN046, a bispecific monoclonal antibody (BsAb) immune checkpoint inhibitor, that targets clinically-validated immune checkpoints, including programmed death ligand 1 (PD-L1) and cytotoxic T-lymphocyte-associated protein 4 (CTLA-4); and KN026, a next generation anti-human epidermal growth factor receptor 2 (HER2) BsAb that is in Phase III clinical trials for treatment of HER2-positive breast cancer; and phase I and II clinical trial treatment of heavily pre-treated HER2 cancers, as well as Phase II clinical trial to treat unreselectable or metastatic HER2-positive solid tumors. The company's product pipeline also comprises KN035, an injectable PD-L1 inhibitor that is in phase III clinical trials for neoadjuvant/adjuvant treatment of non-small cell lung cancer and endometrial cancer; and KN019, a CTLA-4-based immunosuppressant fusion protein, for auto-immune diseases and oncology treatment-induced immune disorders. In addition, its product pipeline also includes KN052, a PD-L1/OX40 bispecific antibody that prevents the immune escape of tumor cells; JSKN003, a biparatopic HER2-targeting antibody-drug conjugate that is in phase I/II clinical trial for the treatment of HER2-expressing advanced or metastatic solid tumors; and JSKN033, a subcutaneous antibody-drug conjugate to treat HER2-expressing advanced or metastatic solid tumors. The company was founded in 2008 and is headquartered in Suzhou, the People's Republic of China.