Hung-Lun (fred) Chang - 16 Mar 2026 Form 4 Insider Report for APPLIED OPTOELECTRONICS, INC. (AAOI)

Role
*** Senior Vice President and North America General Manager.
Signature
/s/ David C. Kuo, attorney in fact for Hung-Lun (Fred) Chang
Issuer symbol
AAOI
Transactions as of
16 Mar 2026
Net transactions value
-$3,648,918
Form type
4
Filing time
18 Mar 2026, 16:02:15 UTC
Previous filing
11 Feb 2026
SEC
View on sec.gov

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 18 Mar 2026 0001587462

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AAOI Common Stock, $.001 par value Sale $3,648,918 -36,400 -13% $100.24 233,618 16 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 16, 2026 at actual sale prices ranging from $100.00 to $100.80 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

Remarks:

*** Senior Vice President and North America General Manager.