InsiderTrades

Form 4 for AAOI APPLIED OPTOELECTRONICS, INC.

Accepted 2026-07-23 17:12:16 ET · period of report 2026-07-22 · accession 0001683168-26-005740 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2026-07-23 17:12 2026-07-22 AAOI Kuo David C *** See Remarks F - Tax $119.26 -3,264 145.8K -2% -$389.3K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, $.001 par value 2026-07-22 F D 1,869 $119.26 147,209 D — — (F1) Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on June 26, 2023.
2 Common Common Stock, $.001 par value 2026-07-22 F D 472 $119.26 146,737 D — — (F2) Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on April 29, 2024.
3 Common Common Stock, $.001 par value 2026-07-22 F D 516 $119.26 146,221 D — — (F3) Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on April 11, 2025.
4 Common Common Stock, $.001 par value 2026-07-22 F D 407 $119.26 145,814 D — — (F4) Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on February 9, 2026.