Form4insider filings, from the source

Insider · CIK 0001195858

Douglas A Alexander

Files at: AMKR, ACTA. 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
Sep 22, 2026 AForm 4 →Sep 24, 4:37 pm EDTAMKOR TECHNOLOGY, INC.AMKR45——2,620—