Applied Optoelectronics (AAOI) director discloses 4,121-share stock sale

Rhea-AI Filing Summary

Applied Optoelectronics, Inc. director Elizabeth G. Loboa reported a sale of company stock. On December 15, 2025, she sold 4,121 shares of common stock at a weighted average price of $30.2316 per share, with individual sale prices ranging from $30.19 to $30.29. After these transactions, she beneficially owns 122,870 shares of Applied Optoelectronics common stock.

Insider Trade Summary

Net Seller: 4,121 shares

Net Sell 1 txn

Insider Loboa Elizabeth G

Role Director

Sold 4,121 shs ($125K)

Type	Security	Shares	Price	Value
Sale	Common Stock, $.001 par value	4,121	$30.2316	$125K

Holdings After Transaction: Common Stock, $.001 par value — 122,870 shares (Direct)

Footnotes (1)

1. F1. The shares were sold in multiple transactions on December 15, 2025 at actual sale prices ranging from $30.19 to $30.29 per share. The price reported reflects the weighted average sale price 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 sold during each transaction.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 12/17/2025 - 04:01 PM Learn about SEC filing dates

FAQ

What insider transaction did AAOI disclose for director Elizabeth G. Loboa?

AAOI disclosed that director Elizabeth G. Loboa sold 4,121 shares of Applied Optoelectronics common stock on December 15, 2025.

At what price did the AAOI director sell shares on December 15, 2025?

The shares were sold at actual prices ranging from $30.19 to $30.29 per share, with a reported weighted average sale price of $30.2316 per share.

How many AAOI shares does Elizabeth G. Loboa own after the reported sale?

Following the reported transactions, Elizabeth G. Loboa beneficially owns 122,870 shares of Applied Optoelectronics common stock.

What type of AAOI security was involved in this insider transaction?

The transaction involved common stock of Applied Optoelectronics, Inc., with a par value of $0.001 per share.

Was the AAOI insider transaction reported as a sale or an acquisition?

The Form 4 reports the transaction as a sale of 4,121 shares of Applied Optoelectronics common stock by the reporting director.

How were the AAOI shares sold on December 15, 2025 described in the filing?

The filing states the shares were sold in multiple transactions on December 15, 2025, and the reported price is a weighted average of those trades.

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
Estimated average burden
hours per response:			0.5

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^*

Loboa Elizabeth G

(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)
12/15/2025

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	12/15/2025		S		4,121(1)	D	$30.2316	122,870	D

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 in multiple transactions on December 15, 2025 at actual sale prices ranging from $30.19 to $30.29 per share. The price reported reflects the weighted average sale price 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 sold during each transaction.

	/s/ David C. Kuo attorney in fact for Elizabeth G. Loboa	12/17/2025
	** 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.