<SEC-DOCUMENT>0001654954-18-005815.txt : 20180523
<SEC-HEADER>0001654954-18-005815.hdr.sgml : 20180523
<ACCEPTANCE-DATETIME>20180523122125
ACCESSION NUMBER:		0001654954-18-005815
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180521
FILED AS OF DATE:		20180523
DATE AS OF CHANGE:		20180523

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GALLENBERGER MARK J
		CENTRAL INDEX KEY:			0001185163

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10394
		FILM NUMBER:		18854609

	MAIL ADDRESS:	
		STREET 1:		LTX-CREDENCE CORPORATION
		STREET 2:		825 UNIVERSITY AVENUE
		CITY:			NORWOOD
		STATE:			MA
		ZIP:			02062

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]
		IRS NUMBER:				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>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2018-05-21</periodOfReport>

    <dateOfOriginalSubmission>2018-05-22</dateOfOriginalSubmission>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001185163</rptOwnerCik>
            <rptOwnerName>GALLENBERGER MARK J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6645 185TH AVE NE, SUITE 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>REDMOND</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98052</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>27900</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Form 4/A filed to Amend  the ownership holding share amount disclosed in error.  Filing accession number 0001654954-18-005741 Form 4 holding corrected from 40936 to 27900.</footnote>
    </footnotes>

    <remarks>Form 4/A filed to Amend  the ownership holding share amount disclosed in error.  Filing accession number 0001654954-18-005741 Form 4 holding corrected from 40936 to 27900.</remarks>

    <ownerSignature>
        <signatureName>/s/JOEL S HATLEN, POA</signatureName>
        <signatureDate>2018-05-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
