<SEC-DOCUMENT>0001231919-25-000504.txt : 20251117
<SEC-HEADER>0001231919-25-000504.hdr.sgml : 20251117
<ACCEPTANCE-DATETIME>20251117174440
ACCESSION NUMBER:		0001231919-25-000504
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251105
FILED AS OF DATE:		20251117
DATE AS OF CHANGE:		20251117

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lynrock Lake LP
		CENTRAL INDEX KEY:			0001734341
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33458
		FILM NUMBER:		251492245

	BUSINESS ADDRESS:	
		STREET 1:		2 INTERNATIONAL DRIVE
		STREET 2:		SUITE 130
		CITY:			RYE BROOK
		STATE:			NY
		ZIP:			10573
		BUSINESS PHONE:		914.449.4660

	MAIL ADDRESS:	
		STREET 1:		2 INTERNATIONAL DRIVE
		STREET 2:		SUITE 130
		CITY:			RYE BROOK
		STATE:			NY
		ZIP:			10573

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LYNROCK LAKE PARTNERS LLC
		CENTRAL INDEX KEY:			0001771092
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33458
		FILM NUMBER:		251492244

	BUSINESS ADDRESS:	
		STREET 1:		2 INTERNATIONAL DRIVE
		STREET 2:		SUITE 130
		CITY:			RYE BROOK
		STATE:			NY
		ZIP:			10573
		BUSINESS PHONE:		914-449-4660

	MAIL ADDRESS:	
		STREET 1:		2 INTERNATIONAL DRIVE
		STREET 2:		SUITE 130
		CITY:			RYE BROOK
		STATE:			NY
		ZIP:			10573

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Paul Cynthia
		CENTRAL INDEX KEY:			0001736572
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33458
		FILM NUMBER:		251492243

	MAIL ADDRESS:	
		STREET 1:		C/O LYNROCK LAKE LP
		STREET 2:		2 INTERNATIONAL DRIVE, SUITE 130
		CITY:			RYE BROOK
		STATE:			NY
		ZIP:			10573

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TERADATA CORP /DE/
		CENTRAL INDEX KEY:			0000816761
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		ORGANIZATION NAME:           	06 Technology
		EIN:				753236470
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		17095 VIA DEL CAMPO
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92127
		BUSINESS PHONE:		866-548-8348

	MAIL ADDRESS:	
		STREET 1:		17095 VIA DEL CAMPO
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92127
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form3-11172025_101135.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2025-11-05</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001734341</rptOwnerCik>
            <rptOwnerName>Lynrock Lake LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2 INTERNATIONAL DRIVE, SUITE 130</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>RYE BROOK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10573</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001771092</rptOwnerCik>
            <rptOwnerName>LYNROCK LAKE PARTNERS LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LYNROCK LAKE LP</rptOwnerStreet1>
            <rptOwnerStreet2>2 INTERNATIONAL DRIVE, SUITE 130</rptOwnerStreet2>
            <rptOwnerCity>RYE BROOK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10573</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001736572</rptOwnerCik>
            <rptOwnerName>Paul Cynthia</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LYNROCK LAKE LP</rptOwnerStreet1>
            <rptOwnerStreet2>2 INTERNATIONAL DRIVE, SUITE 130</rptOwnerStreet2>
            <rptOwnerCity>RYE BROOK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10573</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9416666</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Fund</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The reported securities represent more than 10% of the Issuer's common stock as a result of Issuer stock repurchases and the corresponding decrease in outstanding shares as disclosed in the Issuer's quarterly report on Form 10-Q filed on November 5, 2025.</footnote>
        <footnote id="F2">Shares are held directly by Lynrock Lake Master Fund LP (&quot;Lynrock Fund&quot;). The investment manager and general partner of Lynrock Fund are Lynrock Lake LP (&quot;Lynrock&quot;) and Lynrock Lake Partners LLC (&quot;Lynrock GP&quot;), respectively, and each may be deemed to beneficially own the shares held by Lynrock Fund. Cynthia Paul is the Chief Investment Officer of Lynrock and Sole Member of Lynrock GP and may be deemed to beneficially own the shares held by Lynrock Fund. Each of Lynrock, Lynrock GP and Ms. Paul disclaims beneficial ownership in these shares except to the extent of its or her respective pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Lynrock Lake LP, By: Lynrock Lake Partners LLC, its General Partner, By: /s/ Cynthia Paul, Sole Member</signatureName>
        <signatureDate>2025-11-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Lynrock Lake Partners LLC, By: /s/ Cynthia Paul, Sole Member</signatureName>
        <signatureDate>2025-11-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Cynthia Paul</signatureName>
        <signatureDate>2025-11-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
