<SEC-DOCUMENT>0001434495-20-000008.txt : 20200804
<SEC-HEADER>0001434495-20-000008.hdr.sgml : 20200804
<ACCEPTANCE-DATETIME>20200804183947
ACCESSION NUMBER:		0001434495-20-000008
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20200803
FILED AS OF DATE:		20200804
DATE AS OF CHANGE:		20200804

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Martin Timothy J
		CENTRAL INDEX KEY:			0001434495

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37470
		FILM NUMBER:		201074801

	MAIL ADDRESS:	
		STREET 1:		5855 COPLEY DRIVE
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92111

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TransUnion
		CENTRAL INDEX KEY:			0001552033
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-CONSUMER CREDIT REPORTING, COLLECTION AGENCIES [7320]
		IRS NUMBER:				611678417
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		555 WEST ADAMS STREET
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60661
		BUSINESS PHONE:		(312) 985-2000

	MAIL ADDRESS:	
		STREET 1:		555 WEST ADAMS STREET
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60661

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TransUnion Holding Company, Inc.
		DATE OF NAME CHANGE:	20120612
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_159658068390644.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-08-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001552033</issuerCik>
        <issuerName>TransUnion</issuerName>
        <issuerTradingSymbol>TRU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001434495</rptOwnerCik>
            <rptOwnerName>Martin Timothy J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TRANSUNION</rptOwnerStreet1>
            <rptOwnerStreet2>555 WEST ADAMS STREET</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60661</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP - Global Solutions</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-08-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>89.23</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>31129</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Rachel Mantz, by power of attorney</signatureName>
        <signatureDate>2020-08-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>substitutepoamartin.htm
<DESCRIPTION>MARTINPOA2
<TEXT>
<!-- Document created using Workiva -->
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<pre>

SUBSTITUTE POWER OF ATTORNEY
       Under the terms of a power of attorney dated May 1, 2019 (the "Power of Attorney"), the undersigned, Michael J. Forde, was appointed attorney-in-fact for Timothy J. Martin (the "Reporting Person") to execute and deliver such forms that the Reporting Person may be required to file with the U.S. Securities and Exchange Commission as a result of the Reporting Person's ownership of or transactions in securities of TransUnion (i) pursuant to Section 16(a) of the Securities Exchange Act of 1934, as amended, including without limitation, statements on Form 3, Form 4 and Form 5 (including any amendments thereto), (ii) any report or notice required under Rule 144 under the Securities Act of 1933, as amended, including Form 144 (and any amendment thereto), and (iii) in connection with any applications for EDGAR access codes or any other documents necessary or appropriate to obtain codes and passwords enabling the Reporting Person to make electronic filings with the Securities and Exchange Commission, including without limitation the Form ID.
       In accordance with the authority granted under the Power of Attorney, including the power of substitution, the undersigned hereby appoints Rachel Mantz as substitute attorney-in-fact, with the power to act and with full power of substitution, to exercise and execute all of the powers granted or conferred in the original Power of Attorney. By their signature as attorney-in-fact to this Substitute Power of Attorney, Rachel Mantz accepts such appointment and agrees to assume from the undersigned any and all duties and responsibilities attendant to their capacity as attorneys-in-fact.

Date: July 31, 2020






By:

/s/Michael J. Forde



Name: Michael J. Forde
Title: Attorney-in-Fact


I ACCEPT THIS APPOINTMENT AND SUBSTITUTION:




/s/Rachel Mantz

Rachel Mantz



</pre>
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</SEC-DOCUMENT>
