Form 4 Filing for Cynthia DeLaney - APPLIED OPTOELECTRONICS, INC.

This filing details a Form 4 submission by Cynthia DeLaney, a director at APPLIED OPTOELECTRONICS, INC. (AAOI). On May 26, 2026, Ms. DeLaney, through her spouse, sold 56,575 shares of common stock. The weighted average sale price was $189.23 per share, with actual sale prices ranging from $185.00 to $194.78. Following this transaction, 2,380 shares are held indirectly by her spouse. The filing indicates that the shares were sold in multiple transactions, and Ms. DeLaney undertakes to provide further details upon request. The sale was executed by David C. Kuo as attorney in fact for Ms. DeLaney.