APPLIED OPTOELECTRONICS, INC. 4

Chang Hung‑Lun (Fred) surrendered 4,676 shares of Applied Optoelectronics, Inc. common stock to cover taxes upon RSU vesting, leaving him with about 281,448 directly owned shares.

On July 22, 2026, Chang Hung‑Lun (Fred), Senior Vice President and North America General Manager of Applied Optoelectronics, Inc., surrendered a total of 4,676 shares of common stock to the company at an implied price of $119.26 per share to cover tax‑withholding obligations upon the vesting of multiple previously granted restricted stock unit awards (dated June 26, 2023; April 29, 2024; April 11, 2025; and February 9, 2026), resulting in a post‑transaction direct ownership position of approximately 281,448 shares of common stock. These transactions are classified as routine, non‑discretionary Form 4 entries related to equity compensation rather than open‑market sales or purchases.

Filing Facts

CIK

1158114

Ticker

AAOI

Form

4

Source Type

sec

Accession

0001683168-26-005738

Alert Tier

7