Insider Transaction Report for Charlotte Claire Eaton

This filing details insider transactions by Charlotte Claire Eaton, Chief People Officer of ARM HOLDINGS PLC /UK, on May 15, 2026. Eaton acquired 5,612 ordinary shares and 8,044 Restricted Stock Units (RSUs). Additionally, 2,200 ordinary shares were acquired, and 2,200 RSUs were disposed of. The filing also reports the disposal of 3,672 ordinary shares to cover tax withholding requirements upon RSU vesting. Post-transaction, Eaton holds 14,905 ordinary shares directly. The RSUs acquired include performance-based awards with vesting schedules extending to 2029, subject to continued service.