Richard B. Black - 26 Nov 2025 Form 4 Insider Report for APPLIED OPTOELECTRONICS, INC. (AAOI)

Role: Director
Signature: /s/ David C. Kuo, attorney in fact for Richard B. Black
Issuer symbol: AAOI
Transactions as of: 26 Nov 2025
Net transactions value: $0
Form type: 4
Filing time: 01 Dec 2025, 17:10:24 UTC
Previous filing: 05 Jan 2026
Next filing: 05 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
BLACK RICHARD B	Director	C/O APPLIED OPTOELECTRONICS, INC., 13139 JESS PIRTLE BLVD., SUGAR LAND	/s/ David C. Kuo, attorney in fact for Richard B. Black	01 Dec 2025	0001199697

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AAOI	Common Stock, $.001 par value	Gift	$0	-600	-0.35%	$0.000000	169,494	26 Nov 2025	By Trust	F1

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

Explanation of Responses:

Id	Content
F1	Represents a bona fide gift of shares to a 501(c)(3) non-profit organization by The Richard B. Black Revocable Trust U/A Dtd. Aug 31, 1998; Richard B. Black TTEE, to which the reporting person contributed 4,121 shares of common stock on February 28, 2025, in a transaction that resulted in a change in form of beneficial ownership from direct to indirect. . The shares were held by the Reporting Person in a revocable living trust of which the Reporting Person is the trustee and beneficial owner.

Content

Represents a bona fide gift of shares to a 501(c)(3) non-profit organization by The Richard B. Black Revocable Trust U/A Dtd. Aug 31, 1998; Richard B. Black TTEE, to which the reporting person contributed 4,121 shares of common stock on February 28, 2025, in a transaction that resulted in a change in form of beneficial ownership from direct to indirect. . The shares were held by the Reporting Person in a revocable living trust of which the Reporting Person is the trustee and beneficial owner.