ARM Holdings PLC Insider Trading Disclosure

William Abbey, Chief Commercial Officer of ARM Holdings PLC, reported the sale of 2,300 ordinary shares on May 22, 2026. The shares were sold at an average price of $305.82, with prices ranging from $305.82 to $305.91. Following this transaction, Mr. Abbey directly owns 31,329 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 to the SEC, the Issuer, or security holders upon request.