Applied Optoelectronics, Inc. Senior Vice President and Chief Legal Officer David C. Kuo reported a series of insider ownership changes tied to restricted stock unit vesting, rather than an open-market sale. On July 22, 2026, Kuo surrendered shares of Applied Optoelectronics common stock, par value $0.001, back to the company to cover tax-withholding obligations arising from the vesting of previously granted RSU awards. The transactions were reported under transaction code “F,” which is used for shares withheld or surrendered to the issuer to pay taxes or an exercise price. The filing reports four tax-withholding dispositions associated with separate RSU grants. Kuo surrendered 1,869 shares at a reported value of $119.26 per share in connection with an RSU award granted June 26, 2023. After that transaction, his reported beneficial ownership stood at 147,209 shares. He then surrendered 472 shares related to an April 29, 2024 RSU award, reducing ownership to 146,737 shares; 516 shares related to an April 11, 2025 RSU award, reducing ownership to 146,221 shares;.