Elizabeth G. Loboa - 03 Mar 2026 Form 4 Insider Report for APPLIED OPTOELECTRONICS, INC. (AAOI)

Role: Director
Signature: /s/ David C. Kuo attorney in fact for Elizabeth G. Loboa
Issuer symbol: AAOI
Transactions as of: 03 Mar 2026
Net transactions value: -$9,800,605
Form type: 4
Filing time: 05 Mar 2026, 17:47:13 UTC
Previous filing: 17 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Loboa Elizabeth G	Director	C/O APPLIED OPTOELECTRONICS, INC., 13139 JESS PIRTLE BLVD., SUGAR LAND	/s/ David C. Kuo attorney in fact for Elizabeth G. Loboa	05 Mar 2026	0001814528

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AAOI	Common Stock, $.001 par value	Sale	$9,800,605	-102,347	-83%	$95.76	20,523	03 Mar 2026	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The shares were sold in multiple transactions on March 03, 2026 at actual sale prices ranging from $90.00 to $97.00 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.

Content

The shares were sold in multiple transactions on March 03, 2026 at actual sale prices ranging from $90.00 to $97.00 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.