<SEC-DOCUMENT>0001336917-25-000103.txt : 20250620
<SEC-HEADER>0001336917-25-000103.hdr.sgml : 20250620
<ACCEPTANCE-DATETIME>20250620161644
ACCESSION NUMBER:		0001336917-25-000103
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250505
FILED AS OF DATE:		20250620
DATE AS OF CHANGE:		20250620

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Saidi Yassine
		CENTRAL INDEX KEY:			0002009575
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33202
		FILM NUMBER:		251061585

	MAIL ADDRESS:	
		STREET 1:		1020 HULL STREET
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21230

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Under Armour, Inc.
		CENTRAL INDEX KEY:			0001336917
		STANDARD INDUSTRIAL CLASSIFICATION:	APPAREL & OTHER FINISHED PRODS OF FABRICS & SIMILAR MATERIAL [2300]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				521990078
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		101 PERFORMANCE DRIVE
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21230
		BUSINESS PHONE:		410-454-6758

	MAIL ADDRESS:	
		STREET 1:		101 PERFORMANCE DRIVE
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21230
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>wk-form4a_1750450596.xml
<DESCRIPTION>FORM 4/A
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4/A</documentType>

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

    <dateOfOriginalSubmission>2025-05-19</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001336917</issuerCik>
        <issuerName>Under Armour, Inc.</issuerName>
        <issuerTradingSymbol>UA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002009575</rptOwnerCik>
            <rptOwnerName>Saidi Yassine</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>101 PERFORMANCE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BALTIMORE</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21230</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Product Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class C Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-05-05</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>98451</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>264383</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class C Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-05-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>201613</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>465996</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">In 2024, the reporting person was granted performance based restricted stock units tied to performance of the Company in its fiscal year 2025. Based on the performance of the Company, the award will now vest in three equal annual installments on June 3, 2025, May 15, 2026 and May 15, 2027.</footnote>
        <footnote id="F2">This Form 4 corrects the Form 4 filed on May 19, 2025, which incorrectly reported the number of shares awarded pursuant to the performance based restricted stock units granted to the reporting person in 2024.</footnote>
    </footnotes>

    <remarks>No Class A Common Stock (UAA) is beneficially owned.</remarks>

    <ownerSignature>
        <signatureName>/s/ Mehri F. Shadman, Attorney-in-Fact for Yassine Saidi</signatureName>
        <signatureDate>2025-06-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
