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      <filer>
        <filerCredentials>
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          <ccc>XXXXXXXX</ccc>
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      <liveTestFlag>LIVE</liveTestFlag>



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  <formData>
    <issuerInfo>
      <issuerCik>0001336917</issuerCik>
      <issuerName>Under Armour, Inc.</issuerName>
      <secFileNumber>001-33202</secFileNumber>
      <issuerAddress>
        <com:street1>101 PERFORMANCE DRIVE</com:street1>
        <com:city>BALTIMORE</com:city>
        <com:stateOrCountry>MD</com:stateOrCountry>
        <com:zipCode>21230</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>410-454-6758</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Shadman Mehri</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Class C</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co., Inc.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76232</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>16287</noOfUnitsSold>
      <aggregateMarketValue>100084.00</aggregateMarketValue>
      <noOfUnitsOutstanding>202847601</noOfUnitsOutstanding>
      <approxSaleDate>06/03/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Class C</securitiesClassTitle>
      <acquiredDate>02/15/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Lapse - see remarks</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Under Armour, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>16287</amountOfSecuritiesAcquired>
      <paymentDate>02/15/2019</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>06/03/2025</noticeDate>
      <signature>Mehri Shadman</signature>
    </noticeSignature>
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144
0001951963
XXXXXXXX
LIVE
0001336917
Under Armour, Inc.
001-33202
101 PERFORMANCE DRIVE
BALTIMORE
MD
21230
410-454-6758
Shadman Mehri
Officer
Common Class C
Charles Schwab & Co., Inc.
3000 Schwab Way
Westlake
TX
76232
16287
100084.00
202847601
06/03/2025
NYSE
Common Class C
02/15/2019
Restricted Stock Lapse - see remarks
Under Armour, Inc.
N
16287
02/15/2019
Equity Compensation
Y
06/03/2025
Mehri Shadman