<SEC-DOCUMENT>0001683168-21-000887.txt : 20210311
<SEC-HEADER>0001683168-21-000887.hdr.sgml : 20210311
<ACCEPTANCE-DATETIME>20210311160435
ACCESSION NUMBER:		0001683168-21-000887
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210219
FILED AS OF DATE:		20210311
DATE AS OF CHANGE:		20210311

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kuo David C
		CENTRAL INDEX KEY:			0001587422

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36083
		FILM NUMBER:		21733256

	MAIL ADDRESS:	
		STREET 1:		13139 JESS PIRTLE BLVD.
		CITY:			SUGAR LAND
		STATE:			TX
		ZIP:			77478

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			APPLIED OPTOELECTRONICS, INC.
		CENTRAL INDEX KEY:			0001158114
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				760533927
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		13139 JESS PIRTLE BLVD
		CITY:			SUGAR LAND
		STATE:			TX
		ZIP:			77478
		BUSINESS PHONE:		281-295-1800

	MAIL ADDRESS:	
		STREET 1:		13139 JESS PIRTLE BLVD
		CITY:			SUGAR LAND
		STATE:			TX
		ZIP:			77478

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	APPLIED OPTOELECTRONICS INC
		DATE OF NAME CHANGE:	20010824
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2021-02-19</periodOfReport>

    <dateOfOriginalSubmission>2021-02-23</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001158114</issuerCik>
        <issuerName>APPLIED OPTOELECTRONICS, INC.</issuerName>
        <issuerTradingSymbol>AAOI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001587422</rptOwnerCik>
            <rptOwnerName>Kuo David C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O APPLIED OPTOELECTRONICS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>13139 JESS PIRTLE BLVD.</rptOwnerStreet2>
            <rptOwnerCity>SUGAR LAND</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77478</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>General Counsel and Secretary</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.001 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2021-02-19</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>37387</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40064</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On March 11, 2021, the Compensation Committee of the Company's Board of Directors rescinded its approval of the previously reported grant of Restricted Stock Units (RSUs) under the Company's 2013 Equity Incentive Plan, as amended, which the committee had approved in error, and voided and fully unwound such grant of RSUs effective as of February 19, 2021.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ David C. Kuo</signatureName>
        <signatureDate>2021-03-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
