Hung-Lun (Fred) Chang - Jul 22, 2025 Form 4 Insider Report for APPLIED OPTOELECTRONICS, INC. (AAOI)

Signature
/s/ David C. Kuo, attorney in fact for Hung-Lun (Fred) Chang
Stock symbol
AAOI
Transactions as of
Jul 22, 2025
Transactions value $
-$190,044
Form type
4
Date filed
7/24/2025, 04:01 PM
Previous filing
May 14, 2025
Next filing
Aug 14, 2025

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 2025-07-24 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 -$27.3K -966 -0.35% $28.23 278K Jul 22, 2025 Direct F1
transaction AAOI Common Stock, $.001 par value Tax liability -$48.1K -1.7K -0.61% $28.23 276K Jul 22, 2025 Direct F2
transaction AAOI Common Stock, $.001 par value Tax liability -$75.5K -2.68K -0.97% $28.23 273K Jul 22, 2025 Direct F3
transaction AAOI Common Stock, $.001 par value Tax liability -$17.3K -613 -0.22% $28.23 273K Jul 22, 2025 Direct F4
transaction AAOI Common Stock, $.001 par value Tax liability -$21.9K -774 -0.28% $28.23 272K Jul 22, 2025 Direct F5
* 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 June 11, 2021.
F2 Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on June 27, 2022.
F3 Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on June 26, 2023.
F4 Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on April 29, 2024.
F5 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.