Form 4 Filing for ARM HOLDINGS PLC /UK

This filing details transactions by Young Sohn, a director at ARM HOLDINGS PLC /UK, on May 15, 2026. Sohn acquired 2,141 Ordinary Shares and disposed of 429 Ordinary Shares. Additionally, 2,141 Restricted Stock Units (RSUs) were disposed of, and 1,531 RSUs were acquired. The disposal of Ordinary Shares was to cover tax withholding requirements upon RSU vesting. The RSUs vested on May 15, 2026, with some shares to be delivered upon termination of service as per deferral election. The transactions were reported on a Form 4.