Varsetatug masetecan (“Varseta-M”) Program: - Phase 1 monotherapy update in advanced colorectal cancer (CRC) expected by the end of 2026. Registrational study planned for initiation in 1H 2027 - - Phase 1 study in combination with bevacizumab in 3L+ mCRC ongoing.

SOUTH SAN FRANCISCO, Calif., Aug. 03, 2026 (GLOBE NEWSWIRE) -- CytomX Therapeutics, Inc. (Nasdaq: CTMX), a leader in the field of masked, conditionally activated biologics, today announced the appointment of Alejandra Carvajal as Chief Legal Officer. In this role, Ms.

SOUTH SAN FRANCISCO, Calif., July 30, 2026 (GLOBE NEWSWIRE) -- CytomX Therapeutics, Inc. (Nasdaq: CTMX), a leader in the field of masked, conditionally activated biologics, today announced that it will report second quarter financial results on Thursday, August 6, 2026, after the close of U.S.

SOUTH SAN FRANCISCO, Calif., July 27, 2026 (GLOBE NEWSWIRE) -- CytomX Therapeutics, Inc. (Nasdaq: CTMX), a leader in the field of masked, conditionally activated biologics, today announced the appointment of Charles Fuchs, M.D., M.P.H., to its Board of Directors. “We are pleased to welcome Dr.

- Expanded collaboration builds upon research momentum in developing next-generation bispecific immunotherapies using CytomX’s PROBODY ® and Regeneron's Veloci-Bi ® platforms - - CytomX to receive $37 million target selection payment for two additional programs selected - - Regeneron secures option

SOUTH SAN FRANCISCO, Calif., May 21, 2026 (GLOBE NEWSWIRE) -- CytomX Therapeutics, Inc. (Nasdaq: CTMX), a leader in the field of masked, conditionally activated biologics, today announced that management will participate in the following investor conferences in June.

SOUTH SAN FRANCISCO, Calif., May 18, 2026 (GLOBE NEWSWIRE) -- CytomX Therapeutics, Inc. (Nasdaq: CTMX), a leader in the field of masked, conditionally activated biologics, today announced the appointment of Mamata Gokhale, Ph.D., RAC, as Senior Vice President of Regulatory Affairs.

- Positive data announced from Phase 1 Dose Expansion Study of varsetatug masetecan (“Varseta-M”) EpCAM PROBODY® ADC in Patients with Advanced Colorectal Cancer (CRC) - - Enrollment of 40 patients in Varseta-M Dose Optimization completed; data update expected in 2H 2026 to inform monotherapy dose

SOUTH SAN FRANCISCO, Calif., April 30, 2026 (GLOBE NEWSWIRE) -- CytomX Therapeutics, Inc. (Nasdaq: CTMX), a leader in the field of masked, conditionally activated biologics, today announced that it will report first quarter financial results on Thursday, May 7, 2026, after the close of U.S.

SOUTH SAN FRANCISCO, Calif., March 17, 2026 (GLOBE NEWSWIRE) -- CytomX Therapeutics, Inc. (Nasdaq:CTMX), a leader in the field of masked, conditionally activated biologics, today announced the pricing of an underwritten public offering of 45,990,567 shares of its common stock at a price to the