APPLIED OPTOELECTRONICS, INC. — Director's Dealing 2025

Aug 15, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: APPLIED OPTOELECTRONICS, INC. (AAOI)
CIK: 0001158114
Period of Report: 2025-08-14

Reporting Person: Lin Chih-Hsiang (Thompson) (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-14	Common Stock, $.001 par value	P	5750	$21.62	Acquired	1661165	Indirect
2025-08-14	Common Stock, $.001 par value	P	1405	$21.26	Acquired	1662570	Direct
2025-08-14	Common Stock, $.001 par value	P	920	$21.60	Acquired	1663490	Direct

Footnotes

F1: These shares were purchased through 401(k) in multiple transactions on August 14, 2025 at prices ranging from $20.75 to $22.90 per share. The price reported reflects the weighted average purchase prices 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 purchased at each separate price.

F2: These shares were purchased in multiple transactions on August 14, 2025 at prices ranging from $21.11 to $21.40 per share. The price reported reflects the weighted average purchase prices 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 purchased at each separate price.

F3: These shares were purchased in multiple transactions on August 14, 2025 at prices ranging from $21.54 to $21.65 per share. The price reported reflects the weighted average purchase prices 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 purchased at each separate price.