Form4insider filings, from the source

Insider · CIK 0000923792

Winston J Churchill

Files at: AMKR, IA, REPH, LFWD, GRIF, CYLU. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $391k · 1net −$391k
$10k$10k$100k$100k$1M$1MbuyssalesMar 28Apr 27May 28Jun 28Jul 29Aug 29Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 30, 2026 GForm 4 →Jul 31, 4:38 pm EDTAMKOR TECHNOLOGY, INC.AMKR100——28,681—
Jun 12, 2026 SForm 4 →Jun 16, 4:35 pm EDTAMKOR TECHNOLOGY, INC.AMKR5,000$78.20$391,00028,781−14.8%
Jun 12, 2026 MForm 4 →Jun 16, 4:35 pm EDTAMKOR TECHNOLOGY, INC.AMKR5,000$19.39$96,95033,781—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 22, 2026 AForm 4 →Sep 24, 4:38 pm EDTAMKOR TECHNOLOGY, INC.AMKR4——2,620—
Jun 23, 2026 AForm 4 →Jun 25, 4:39 pm EDTAMKOR TECHNOLOGY, INC.AMKR3——2,616—
Jun 12, 2026 MForm 4 →Jun 16, 4:35 pm EDTAMKOR TECHNOLOGY, INC.AMKR5,000——10,000—