Hung-Lun (fred) Chang - 30 Apr 2025 Form 4 Insider Report for APPLIED OPTOELECTRONICS, INC. (AAOI)

Role: *** Senior Vice President and North America General Manager.
Signature: /s/ David C. Kuo, attorney in fact for Hung-Lun (Fred) Chang
Issuer symbol: AAOI
Transactions as of: 30 Apr 2025
Net transactions value: -$7,779
Form type: 4
Filing time: 02 May 2025, 16:02:21 UTC
Previous filing: 24 Apr 2025
Next filing: 13 May 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Chang Hung-Lun (Fred)	*** Senior Vice President and North America General Manager.	C/O APPLIED OPTOELECTRONICS, INC., 13139 JESS PIRTLE BLVD., SUGAR LAND	/s/ David C. Kuo, attorney in fact for Hung-Lun (Fred) Chang	02 May 2025	0001587462

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AAOI	Common Stock, $.001 par value	Tax liability	$7,779	-774	-0.36%	$10.05	214,338	30 Apr 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on April 11, 2025.

Remarks:

*** Senior Vice President and North America General Manager.