David C. Kuo - 22 Jan 2026 Form 4 Insider Report for APPLIED OPTOELECTRONICS, INC. (AAOI)

Role
*** Senior Vice President and Chief Legal Officer
Signature
/s/ David C. Kuo
Issuer symbol
AAOI
Transactions as of
22 Jan 2026
Net transactions value
-$165,495
Form type
4
Filing time
26 Jan 2026, 19:01:53 UTC
Previous filing
29 Dec 2025
Next filing
30 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kuo David C *** Senior Vice President and Chief Legal Officer C/O APPLIED OPTOELECTRONICS, INC., 13139 JESS PIRTLE BLVD., SUGAR LAND /s/ David C. Kuo 26 Jan 2026 0001587422

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AAOI Common Stock, $.001 par value Tax liability $44,981 -1,172 -0.9% $38.38 129,776 22 Jan 2026 Direct F1
transaction AAOI Common Stock, $.001 par value Tax liability $78,833 -2,054 -1.6% $38.38 127,722 22 Jan 2026 Direct F2
transaction AAOI Common Stock, $.001 par value Tax liability $19,919 -519 -0.41% $38.38 127,203 22 Jan 2026 Direct F3
transaction AAOI Common Stock, $.001 par value Tax liability $21,761 -567 -0.45% $38.38 126,636 22 Jan 2026 Direct F4
* 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 27, 2022.
F2 Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on June 26, 2023.
F3 Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on April 29, 2024.
F4 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 Chief Legal Officer