 SOUTH SAN FRANCISCO, Calif., Jan. 17, 2023 GLOBE NEWSWIRE -- CytomX Therapeutics, Inc. Nasdaq: CTMX, a leader in the field of conditionally activated, localized biologics, today announced that Sean McCarthy, D.Phil., president, chief executive officer, and chairman, will present at the B. Riley Securities Virtual Annual Oncology Investor Conference on Thursday, January 19, 2023 at 2:30 p.m. ET. 