Form 4 Filing for ARM HOLDINGS PLC /UK

This filing details Form 4 transactions for ARM HOLDINGS PLC /UK, with William Abbey, the Chief Commercial Officer, reporting the disposal of shares. On June 1, 2026, Abbey sold 2,644 ordinary shares at a price of $383.73 per share, leaving him with 24,485 shares. In a separate transaction on the same date, he sold 3,922 ordinary shares at prices ranging from $415.52 to $415.58, resulting in 20,563 shares remaining. The shares are represented by American Depositary Shares, with each ADS representing one ordinary share. The filing was signed by George Kanelos as an Attorney-in-Fact for William Abbey.