Form4insider filings, from the source

Insider · CIK 0001195858

Douglas A Alexander

Files at: AMKR, ACTA. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $279k · 1net −$279k
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 7, 2026 SForm 4 →Aug 11, 4:36 pm EDTAMKOR TECHNOLOGY, INC.AMKR5,000$55.81$279,05029,109−14.7%10b5-1
Aug 7, 2026 MForm 4 →Aug 11, 4:36 pm EDTAMKOR TECHNOLOGY, INC.AMKR5,000$8.51$42,55034,109—10b5-1

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—
Aug 7, 2026 MForm 4 →Aug 11, 4:36 pm EDTAMKOR TECHNOLOGY, INC.AMKR5,000——14,657—10b5-1