ARM Holdings CCO Abbey William Sells 4,200 Shares

What Happened Abbey William, Chief Commercial Officer of ARM Holdings plc (ARM), sold 4,200 ADSs (each ADS = 1 ordinary share) in an open-market transaction on May 28, 2026. The weighted average sale price was $343.81 per share (range $343.80–$344.09), generating total proceeds of approximately $1,444,002. This was a sale (disposition), which is often a routine liquidity event rather than an investment endorsement.

Key Details

• Transaction date: May 28, 2026
• Transaction type/code: Open-market sale (S)
• Price: Weighted average $343.81; range $343.80–$344.09 (report says detailed breakdown available on request)
• Shares sold: 4,200 ADSs
• Gross proceeds: $1,444,002
• Shares owned after the transaction: Not disclosed in the Form 4
• Footnotes: F1 — ADSs represent ordinary shares (1 ADS = 1 Ordinary Share). F2 — weighted average price; seller will provide per-price breakdown on request.
• Filing timeliness: Form 4 filed June 1, 2026 — within the two-business-day reporting window for a May 28 transaction (timely).

Context This was an open-market sale; the filing does not indicate a 10b5-1 plan, tax withholding, or other special conditions. Sales by insiders can be routine (diversification or liquidity) and do not by themselves signal a change in company fundamentals. Purchases generally carry more direct informational weight for investors than routine insider sales.