Form4insider filings, from the source

Insider · CIK 0002114104

Laura Kathleen Bartels

Files at: ARM. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $4.4M · 1net −$4.4M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 1Jun 1Jun 1Jun 2Jun 2Jun 2Jun 3

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 17, 2026 FMForm 4 →Aug 18, 5:31 pm EDTARM HOLDINGS PLC /UKARM2,537$271.43$232,34412,960—
Jun 2, 2026 SForm 4 →Jun 4, 5:05 pm EDTARM HOLDINGS PLC /UKARM11,306$392.70$4,439,86612,135−48.2%

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 17, 2026 MForm 4 →Aug 18, 5:31 pm EDTARM HOLDINGS PLC /UKARM1,681——99,571—