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ARM HOLDINGS PLC /UK·4

May 19, 5:23 PM ET

Abbey William 4

Research Summary

AI-generated summary

Updated

ARM CCO Abbey William Sells Shares, Exercises RSUs

What Happened

  • Abbey William, Chief Commercial Officer of ARM (ARM), had multiple restricted stock units (RSUs) vest and convert to American Depositary Shares (ADSs). Following vesting/conversion, 15,317 shares were withheld to satisfy tax obligations at $209.16/share ($3,203,704). She also sold 7,000 shares in the open market on May 15, 2026 at an average ~$212.55/share ($1,487,850), and previously sold 1,577 shares on April 24, 2026 at $221.99 ($350,078) and 1,577 shares on April 23, 2026 at $199.00 ($313,823). In total the disclosed dispositions on these filings amount to roughly $5.36M. Separately, a new RSU award of 5,566 shares was granted on May 15, 2026 with multi‑year vesting.

Key Details

  • Transaction dates & amounts:
    • May 15, 2026: 15,317 shares withheld for taxes at $209.16 = $3,203,704 (F = tax withholding)
    • May 15, 2026: 7,000 shares sold at weighted avg ≈ $212.55 = $1,487,850 (S; F10 notes price range $212.51–$212.76)
    • Apr 24, 2026: 1,577 shares sold at $221.99 = $350,078 (S)
    • Apr 23, 2026: 1,577 shares sold at $199.00 = $313,823 (S)
    • May 15, 2026: New RSU grant of 5,566 RSUs (vests 30/30/40 on 2027/2028/2029) (A; F12)
  • Shares owned after these transactions: not disclosed on the provided Form 4.
  • Footnotes of note:
    • ADS = 1 Ordinary Share (F1, F3).
    • Several vested awards were performance‑based RSUs granted in 2023–2025 and vested May 15, 2026 after committee certification (F2–F8).
    • Some sales were made pursuant to a 10b5‑1 trading plan; the filer disclosed these as previously unreported/delinquent transactions (F11).
  • Filing timeliness: This Form 4 discloses delinquent transactions and was filed after the reporting period (transactionTimeliness = 'L').

Context

  • These filings show RSUs vesting and being converted to ADSs (exercise/conversion, code M), followed by tax‑withholding (F) and open‑market sales (S). Withholding of shares to cover tax is routine for RSU vesting; part of the converted shares were sold under a 10b5‑1 plan. The filing was late and includes disclosure of previously unreported sales — the late filing signals reporting oversight rather than necessarily reflecting trading intent.