Form 4 Filing for ADC Therapeutics SA

This filing details transactions by Viviane Monges, a director at ADC Therapeutics SA. On June 1, 2026, Ms. Monges was granted 45,000 restricted stock units (RSUs) under the company's 2019 Equity Incentive Plan. These RSUs vest on the earlier of one year from the grant date or the 2027 Annual Meeting of Shareholders, contingent upon her continued service. Each RSU represents a contingent right to one share of the Issuer's common stock. Subsequently, on June 3, 2026, 2,596 shares were withheld by the Issuer to cover tax obligations related to the vesting of previously granted RSUs. Following these transactions, Ms. Monges holds 186,447 shares directly.