Arm Holdings ARM Insider Ownership

Updated Oct 11, 2026

In the last 12 months, insiders at Arm Holdings made open-market sales of $72.16 million (323.71K shares) and bought no shares on the open market.

• By number of insiders, Arm Holdings saw 7 insiders sell on the open market over the past 12 months and none buy.
• Jason Child (Chief Financial Officer) was the top open-market seller of Arm Holdings over the past 12 months, with $19.99 million sold (95.28K shares) and the latest sale on September 21, 2026.
• Beyond open-market trades, insiders at Arm Holdings received 467.8K shares in stock awards, acquired 61.05K shares through option exercises and conversions, gave up 262.53K shares to cover taxes or exercise prices and gave away 9.57K shares as gifts in the last 12 months.
• Business Quant data shows Arm Holdings insiders holding 545.04K shares in total in their latest Form 4 filings, down 13.75% from 631.92K shares at the end of Q2 2026.
• All of the 545.04K shares held by Arm Holdings insiders are held directly, none through trusts, partnerships or other entities.
• Holdings in Arm Holdings stock are reported by 7 insiders, the officers, directors and 10% owners who have filed a Form 4 in the past two years.
• ARM's largest insider holders by reported holdings are Rene A. Haas (Chief Executive Officer, 338.67K shares), Jason Child (Chief Financial Officer, 153.44K shares) and William Abbey (Chief Commercial Officer, 20.56K shares).
• Of the shares held by ARM insiders, 62.14% belong to Rene A. Haas.
• Institutional holders reported 9.28% of Arm Holdings' outstanding shares for Q2 2026.
• Over the past 12 months, 13 insiders reported transactions in Arm Holdings stock in 34 Form 4 filings.
• The insider holdings and trades above for Arm Holdings reflect Form 4 filings through September 23, 2026.