<SEC-DOCUMENT>0001181431-13-026228.txt : 20130508
<SEC-HEADER>0001181431-13-026228.hdr.sgml : 20130508
<ACCEPTANCE-DATETIME>20130508163513
ACCESSION NUMBER:		0001181431-13-026228
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130214
FILED AS OF DATE:		20130508
DATE AS OF CHANGE:		20130508

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TERADATA CORP /DE/
		CENTRAL INDEX KEY:			0000816761
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPUTERS [3571]
		IRS NUMBER:				753236470
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		10000 INNOVATION DRIVE
		CITY:			DAYTON
		STATE:			OH
		ZIP:			45342
		BUSINESS PHONE:		937-242-4800

	MAIL ADDRESS:	
		STREET 1:		10000 INNOVATION DRIVE
		CITY:			DAYTON
		STATE:			OH
		ZIP:			45342

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KOEHLER MICHAEL
		CENTRAL INDEX KEY:			0001228409

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33458
		FILM NUMBER:		13825015

	MAIL ADDRESS:	
		STREET 1:		11695 JOHNS CREEK PARKWAY
		CITY:			JOHNS CREEK
		STATE:			GA
		ZIP:			30097
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>rrd379036.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2013-02-14</periodOfReport>

    <dateOfOriginalSubmission>2013-02-19</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000816761</issuerCik>
        <issuerName>TERADATA CORP /DE/</issuerName>
        <issuerTradingSymbol>TDC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001228409</rptOwnerCik>
            <rptOwnerName>KOEHLER MICHAEL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>11695 JOHNS CREEK PKWY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>JOHNS CREEK</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30097</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-02-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>17697</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>62.15</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>171851</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This amendment is being filed solely to correct (by reducing by 15,091) the total beneficial holdings reported in Column 5 of Table 1 of the original Form 4 of the reporting person filed February 19, 2013.  The original Form 4 was timely filed and correct in all other respects.</footnote>
        <footnote id="F2">Shares withheld by the company and disposted of to satisfy tax obligation for performance-based restricted stock units that vested on February 14, 2013.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Margaret A. Treese, Attorney-in-fact for Michael Koehler</signatureName>
        <signatureDate>2013-05-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
