APPLIED OPTOELECTRONICS, INC. — Director's Dealing 2026

Feb 11, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: APPLIED OPTOELECTRONICS, INC. (AAOI)
CIK: 0001158114
Period of Report: 2026-02-09

Reporting Person: Kuo David C (*** See Remarks)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-09	Common Stock, $.001 par value	A	17027	$0.00	Acquired	131663	Direct
2026-02-10	Common Stock, $.001 par value	S	2533	$50.0015	Disposed	129130	Direct
2026-02-11	Common Stock, $.001 par value	S	17467	$50.1661	Disposed	111663	Direct

Footnotes

F1: The Restricted Stock Units (RSUs) were granted under the Company's Amended and Restated 2021 Equity Incentive Plan, one-sixteen of the RSUs vest every three months commencing on January 21, 2026.

F2: These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 15, 2025. The shares were sold in multiple transactions at actual sale prices ranging from $50.000 to $50.040 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold during each transaction.

F3: These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 15, 2025. The shares were sold in multiple transactions at actual sale prices ranging from $50.000 to $50.440 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold during each transaction..