Form4insider filings, from the source

Insider · CIK 0001587462

Hung-Lun (Fred) Chang

Files at: AAOI. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $3.5M · 1net −$3.5M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 8, 2026 SForm 4 →Sep 10, 4:27 pm EDTAPPLIED OPTOELECTRONICS, INC.AAOI32,172$110.21$3,545,676249,276−11.4%
Jul 22, 2026 FForm 4 →Jul 23, 5:11 pm EDTAPPLIED OPTOELECTRONICS, INC.AAOI4,676$119.26$557,660281,448—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.