Richard B. Black trust sells 3,231 AAOI (NASDAQ: AAOI) shares at $95

Rhea-AI Filing Summary

APPLIED OPTOELECTRONICS, INC. director Richard B. Black reported an indirect sale of common stock through his revocable trust. On March 5, 2026, The Richard B. Black Revocable Trust sold 3,231 shares of common stock in open-market transactions at $95.00 per share.

After these sales, the trust associated with Black held 164,363 shares of APPLIED OPTOELECTRONICS common stock indirectly. The shares are held in a revocable living trust for which Black is both trustee and beneficial owner.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

BLACK RICHARD B

(Last) (First) (Middle)

C/O APPLIED OPTOELECTRONICS, INC.

13139 JESS PIRTLE BLVD.

(Street)

SUGAR LAND TX 77478

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
APPLIED OPTOELECTRONICS, INC. [ AAOI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, $.001 par value	03/05/2026		S		3,231(1)	D	$95	164,363	I	By Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The shares were sold by The Richard B. Black Revocable Trust U/A Dtd. Aug 31, 1998; Richard B. Black TTEE, to which the reporting person contributed 10,231 shares of common stock on February 19, 2024, in a transaction that resulted in a change in form of beneficial ownership from direct to indirect. The shares were sold in multiple transactions on March 05, 2026 at actual sale price of $95.00 per share. The reporting person undertakes to provide upon request by SEC staff, the issuer, or a securityholder of the issuer, full information regarding the number of shares sold during each transaction. The shares were held by the reporting person in a revocable living trust of which the reporting person is the trustee and beneficial owner.

	/s/ David C. Kuo, attorney in fact for Richard B. Black	03/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did AAOI director Richard B. Black report?

Director Richard B. Black reported an indirect sale of AAOI common stock via his revocable trust. On March 5, 2026, the trust sold 3,231 shares of common stock in open-market transactions at a price of $95.00 per share.

How many AAOI shares did Richard B. Black’s trust sell and at what price?

The Richard B. Black Revocable Trust sold 3,231 AAOI common shares at $95.00 per share. These were open-market transactions executed on March 5, 2026, and are reported as an indirect disposition of shares by the director’s trust.

How many AAOI shares does Richard B. Black’s trust hold after the sale?

Following the reported sale, the revocable trust associated with director Richard B. Black holds 164,363 AAOI common shares indirectly. This figure reflects the trust’s ownership after disposing of 3,231 shares in open-market transactions at $95.00 per share.

What is the nature of ownership for Richard B. Black’s AAOI shares?

Richard B. Black’s reported AAOI holdings are indirect, held through The Richard B. Black Revocable Trust. He is both trustee and beneficial owner of this revocable living trust, which manages the common stock reported in the insider filing.

Was the AAOI insider sale by Richard B. Black direct or through an entity?

The AAOI insider sale was executed through an entity, specifically The Richard B. Black Revocable Trust. The filing notes indirect ownership “By Trust,” with Black serving as trustee and beneficial owner of the revocable living trust that sold the shares.