ARM HOLDINGS PLC /UK - Form 4 Filing

This Form 4 filing details a transaction by Jason Child, the Chief Financial Officer of ARM HOLDINGS PLC /UK. On April 22, 2026, Mr. Child disposed of 21,280 ordinary shares at a price of $180.0 per share, resulting in a post-transaction ownership of 153,426 shares. The transaction was executed as part of a Rule 10b5-1 trading plan adopted on May 30, 2025. The ordinary shares are represented by American Depositary Shares (ADSs), with each ADS representing one ordinary share.