CytomX Therapeutics Announces Q1 2026 Financial Results and Provides Business Update

- 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 selection and potential registrational trial in late line CRC - - Varseta-M Phase 1 study evaluating combination with bevacizumab is ongoing with initial data expected by 1H 2027; Phase 1/2 Varseta-M chemotherapy combination study to be initiated in 2H 2026 - - Initiation of Phase 1 expansion cohort(s) in non-CRC indications planned for 2H 2026 - - Company to host conference call today at 5 p.m. ET / 2 p.m.