Form 4 Filing for APPLIED OPTOELECTRONICS, INC.

This filing details a transaction by Chen Min-Chu (Mike), a director at APPLIED OPTOELECTRONICS, INC. (AAOI), on June 2, 2026. The transaction involved the disposition of 8,247 shares of common stock, with a par value of $.001, at a price of $201.00 per share. Following this transaction, the post-transaction shares owned are 161,053. Additionally, there are 20,000 shares held indirectly by the reporting owner's spouse, as noted in footnote F1. The filing was signed by David C. Kuo as attorney in fact.