APPLIED OPTOELECTRONICS, INC. 4

Insider David C. Kuo, SVP and Chief Legal Officer of Applied Optoelectronics, Inc. (AAOI), had 3,264 shares of common stock withheld at $119.26 per share to satisfy RSU tax obligations, leaving him with about 145,814 shares owned directly.

On July 22, 2026, Applied Optoelectronics, Inc. Senior Vice President and Chief Legal Officer David C. Kuo surrendered an aggregate 3,264 shares of common stock to the company at an implied price of $119.26 per share, solely to cover tax-withholding obligations upon the vesting of several previously granted restricted stock unit awards dated June 26, 2023, April 29, 2024, April 11, 2025, and February 9, 2026. These are coded as Form 4 transaction code “F” events (payment of tax liability via share withholding) rather than discretionary open-market sales, and after these routine withholding transactions Kuo continued to directly own approximately 145,814 shares of Applied Optoelectronics common stock, indicating he retains a substantial equity stake in the company.

Filing Facts

CIK

1158114

Ticker

AAOI

Form

4

Source Type

sec

Accession

0001683168-26-005740

Alert Tier

7