Form4insider filings, from the source

Insider · CIK 0001475345

Charles C Pappis

Files at: ACMR. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

No reported common-stock activity in this period.

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 12, 2026 AForm 4 →Aug 26, 9:30 pm EDTACM Research, Inc.ACMR7,128——728— late