APPLIED OPTOELECTRONICS, INC. — Director's Dealing 2025

Aug 14, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: APPLIED OPTOELECTRONICS, INC. (AAOI)
CIK: 0001158114
Period of Report: 2025-08-12

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-12	Common Stock, $.001 par value	P	6500	$23.14	Acquired	1643315	Indirect
2025-08-13	Common Stock, $.001 par value	P	8850	$22.53	Acquired	1652165	Direct
2025-08-13	Common Stock, $.001 par value	P	3250	$22.65	Acquired	1655415	Indirect

Footnotes

F1: These shares were purchased through 401(k) in multiple transactions on August 12, 2025 at prices ranging from $22.80 to $23.40 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.

F2: These shares were purchased in multiple transactions on August 13, 2025 at prices ranging from $22.13 to $22.99 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 through 401(k) in multiple transaction on August 13, 2025 at prices ranging from $22.15 to $23.27 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.