Chih-Hsiang (Thompson) Lin - 13 May 2025 Form 4 Insider Report for APPLIED OPTOELECTRONICS, INC. (AAOI)

Role: President and CEO, Director
Signature: /s/ David C. Kuo, attorney in fact for Chih-Hsiang (Thompson) Lin
Issuer symbol: AAOI
Transactions as of: 13 May 2025
Transactions value $: $386,222
Form type: 4
Date filed: 14 May 2025, 18:36
Previous filing: 13 May 2025
Next filing: 24 Jul 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lin Chih-Hsiang (Thompson)	President and CEO, Director	C/O APPLIED OPTOELECTRONICS, INC., 13139 JESS PIRTLE BLVD., SUGAR LAND	/s/ David C. Kuo, attorney in fact for Chih-Hsiang (Thompson) Lin	2025-05-14	0001587420

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AAOI	Common Stock, $.001 par value	Purchase	$186K	+10.2K	+0.62%	$18.24	1.65M	13 May 2025	Direct	F1
transaction	AAOI	Common Stock, $.001 par value	Purchase	$200K	+11K	+0.67%	$18.20	1.66M	13 May 2025	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares were purchased in multiple transactions on May 13, 2025 at actual prices ranging from $17.94 to $18.45 per share. The price 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 May 13, 2025 at actual prices ranging from $17.90 to $18.45 per share. The price 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.

Content

These shares were purchased in multiple transactions on May 13, 2025 at actual prices ranging from $17.94 to $18.45 per share. The price 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.

These shares were purchased in multiple transactions on May 13, 2025 at actual prices ranging from $17.90 to $18.45 per share. The price 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.