Haas Rene A. 4

What Happened

Rene A. Haas, CEO of ARM Holdings plc (ARM), sold a total of 9,299 ADSs (each ADS = 1 ordinary share) in three open‑market transactions on April 14, 2026, for aggregate proceeds of about $1,495,782. The trades were: 5,646 ADSs at a weighted average $160.57 (proceeds $906,578); 3,483 ADSs at a weighted average $161.21 (proceeds $561,494); and 170 ADSs at $163.00 (proceeds $27,710). All transactions are reported as sales (transaction code S).

Key Details

• Transaction date: April 14, 2026; Form 4 filed April 16, 2026 (timely within the two‑business‑day window).
• Reported prices/ranges:
  • 5,646 ADSs — weighted avg $160.57; prices ranged $160.00–$160.96 (F3).
  • 3,483 ADSs — weighted avg $161.21; prices ranged $161.00–$161.91 (F4).
  • 170 ADSs — weighted avg $163.00; prices ranged $162.99–$163.01 (F5).
• Footnotes: ADSs represent ordinary shares (F1). Transactions were effected under a Rule 10b5‑1 trading plan adopted June 11, 2025 (F2). F3–F5 note weighted averages and per‑price breakdowns available on request.
• Shares owned after the transaction: not specified in the provided filing.

Context

These were open‑market sales executed under a pre‑arranged 10b5‑1 plan, which is commonly used by insiders to sell on a preset schedule and reduces the likelihood the trades reflect nonpublic information. Sales by executives are routine and do not necessarily indicate a change in company outlook; purchases typically carry more weight for signaling conviction. Consider these sales alongside other insider activity and company fundamentals before drawing investment conclusions.