SEC Filing Summary

Peter J. Graham, Chief Legal Officer of ADC Therapeutics SA, was granted 221,100 restricted stock units (RSUs) on June 30, 2026. These RSUs will vest on June 30, 2027, or earlier upon termination of employment under specific conditions, provided he is still employed. Each RSU represents a contingent right to one share of the company's common stock. Following this award, Graham holds 841,640 shares. This filing is a Form 4, indicating a change in beneficial ownership.