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Insider Trading

Last Updated: 3 days, 4 hours ago

William Abbey has an estimated net worth of at least $15.5 million*, as of May 20, 2026. They own 33,629 shares of ARM stock. They have sold 30,765 shares of ARM stock since 2021, for an estimated $2.2 million.

William Abbey $ARM SEC Form 4 Insider Trading

William Abbey has filed a total of 6 insider trades in $ARM since 2021. Their most recent trade was a sale of 4,655 shares, made on May 21, 2026. Their largest trade was a sale of 10,887 shares, made on May 19, 2026. We estimate that they now own 33,629 shares of $ARM, worth an estimated $13.4 million.



Insider Trading at $ARM

There have been a total of 34 insider trades reported at $ARM since 2021, with 0 shares purchased and 278,543 shares sold. The most active insider traders in $ARM stock have been Rene A. Haas, Spencer Collins, and William Abbey. The most recent trade was a sale of 4,655 shares reported by William Abbey (Chief Commercial Officer), made on May 21, 2026.



History of Insider Stock Trades by William Abbey

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
ARM logo ARM Sale 4,655 May 21, 2026 May 22, 2026, 5:24 p.m.
ARM logo ARM Sale 10,887 May 19, 2026 May 21, 2026, 4:15 p.m.
ARM logo ARM Sale 5,069 May 20, 2026 May 21, 2026, 4:15 p.m.
ARM logo ARM Sale 7,000 May 15, 2026 May 19, 2026, 5:23 p.m.
ARM logo ARM Sale 1,577 Apr 24, 2026 May 19, 2026, 5:23 p.m.
ARM logo ARM Sale 1,577 Apr 23, 2026 May 19, 2026, 5:23 p.m.




$ARM Executives and Stock Owners with Insider Trades



*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.