Form 4 Filing for ARM Holdings PLC

This filing details a transaction by Laura Kathleen Bartels, Chief Accounting Officer of ARM Holdings PLC. On June 2, 2026, Ms. Bartels disposed of 11,306 ordinary shares. The shares were sold at a weighted average price of $392.70, with individual sale prices ranging from $392.60 to $393.09. Following this transaction, Ms. Bartels directly owns 12,135 ordinary shares. The ordinary shares are held in the form of American Depositary Shares (ADSs), with each ADS representing one ordinary share. Full details on the specific prices for each share sold will be provided upon request to the SEC, the Issuer, or security holders.