Chih-Hsiang (thompson) Lin - 09 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: 09 May 2025
Net transactions value: -$2,592,904
Form type: 4
Filing time: 13 May 2025, 17:09:34 UTC
Previous filing: 02 May 2025
Next filing: 14 May 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	13 May 2025	0001587420

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AAOI	Common Stock, $.001 par value	Award	$0	+446,428	+33%	$0.000000	1,813,496	09 May 2025	Direct	F1
transaction	AAOI	Common Stock, $.001 par value	Tax liability	$2,592,904	-175,671	-9.7%	$14.76	1,637,825	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	Consists of shares earned in settlement of performance vesting restricted stock units for the 2022-2025 performance period that were earned and settled with respect to maximum performance.
F2	Consists of shares withheld to satisfy applicable tax withholding obligations.