Form4insider filings, from the source

Company · CIK 0001158114 · SIC 3674 — Semiconductors & Related Devices · Nasdaq

APPLIED OPTOELECTRONICS, INC. · AAOI

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $4.0M · 2net −$4.0M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 GForm 4 →Sep 17, 4:08 pm EDTRichard B BlackDirector2,200——159,092—
Sep 10, 2026 SForm 4 →Sep 10, 4:27 pm EDTStefan J. MurryChief Financial Officer4,000$105.33$421,320367,168−1.08%10b5-1
Sep 8, 2026 SForm 4 →Sep 10, 4:27 pm EDTHung-Lun (Fred) Chang*** See Remarks32,172$110.21$3,545,676249,276−11.4%

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.