<SEC-DOCUMENT>0001654954-25-005280.txt : 20250508
<SEC-HEADER>0001654954-25-005280.hdr.sgml : 20250508
<ACCEPTANCE-DATETIME>20250508145648
ACCESSION NUMBER:		0001654954-25-005280
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250501
FILED AS OF DATE:		20250508
DATE AS OF CHANGE:		20250508

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wentworth William O.
		CENTRAL INDEX KEY:			0001977418
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10394
		FILM NUMBER:		25925454

	MAIL ADDRESS:	
		STREET 1:		8 DYER AVE
		CITY:			SALEM
		STATE:			NH
		ZIP:			03079

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DATA I/O CORP
		CENTRAL INDEX KEY:			0000351998
		STANDARD INDUSTRIAL CLASSIFICATION:	INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS [3825]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				910864123
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1211

	BUSINESS ADDRESS:	
		STREET 1:		6645 185TH AVE NE, SUITE 100
		CITY:			REDMOND
		STATE:			WA
		ZIP:			98052
		BUSINESS PHONE:		4258676922

	MAIL ADDRESS:	
		STREET 1:		6645 185TH AVE NE, SUITE 100
		CITY:			REDMOND
		STATE:			WA
		ZIP:			98052
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>section16.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2025-05-01</periodOfReport>

    <dateOfOriginalSubmission>2025-05-05</dateOfOriginalSubmission>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0000351998</issuerCik>
        <issuerName>DATA I/O CORP</issuerName>
        <issuerTradingSymbol>DAIO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001977418</rptOwnerCik>
            <rptOwnerName>Wentworth William O.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6645 185TH AVE NE, #100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>REDMOND</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98052</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-05-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10585</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.36</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>35085</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <remarks>This amendment is being filed to correct the transaction date, which was inadvertently reported as May 2, 2025, but the transaction occurred on May 1, 2025.  This amendment is also to update the transaction code from &quot;A&quot; to &quot;P&quot; as this transaction was an open market purchase, as well as updating the Relationship of Reporting Person to Issuer from Director to Director and Officer.</remarks>

    <ownerSignature>
        <signatureName>/s/ Gerald Y. Ng, under POA for William Wentworth</signatureName>
        <signatureDate>2025-05-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
