Insider Transaction Report

William Abbey, Chief Commercial Officer of ARM HOLDINGS PLC, reported the sale of 4,655 ordinary shares on May 21, 2026. The shares were sold at a weighted average price of $287.03, with individual sale prices ranging from $287.02 to $287.15. Following this transaction, Mr. Abbey directly owns 33,629 ordinary shares. The shares are held in the form of American Depositary Shares (ADSs), with each ADS representing one ordinary share. Full details on the number of shares sold at each specific price will be provided upon request to the SEC, the Issuer, or a security holder of the Issuer.