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        <filerCredentials>
          <cik>0001683049</cik>
          <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>1020 HULL STREET</com:street1>
        <com:street2>3RD FLOOR</com:street2>
        <com:city>BALTIMORE</com:city>
        <com:stateOrCountry>MD</com:stateOrCountry>
        <com:zipCode>21230</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>410-454-6758</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Browne Colin</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Former Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Class C</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Wells Fargo Clearing Services</name>
        <address>
          <com:street1>1 N. Jefferson Ave.</com:street1>
          <com:city>St. Louis</com:city>
          <com:stateOrCountry>MO</com:stateOrCountry>
          <com:zipCode>63103</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>69307</noOfUnitsSold>
      <aggregateMarketValue>500412.20</aggregateMarketValue>
      <noOfUnitsOutstanding>214917103</noOfUnitsOutstanding>
      <approxSaleDate>01/24/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Class C</securitiesClassTitle>
      <acquiredDate>02/15/2023</acquiredDate>
      <natureOfAcquisitionTransaction>RSU Grants</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>69307</amountOfSecuritiesAcquired>
      <paymentDate>02/15/2023</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>COLIN BROWNE</name>
        <address>
          <com:street1>1020 HULL STREET</com:street1>
          <com:street2>3RD FLOOR</com:street2>
          <com:city>BALTIMORE</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>21230</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Class C - Under Armour Inc.</securitiesClassTitle>
      <saleDate>11/27/2023</saleDate>
      <amountOfSecuritiesSold>186000</amountOfSecuritiesSold>
      <grossProceeds>1376804.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>Shares sold were acquired 2/15/2023 &amp; 5/15/2023 via stock grants (RSUs).</remarks>
    <noticeSignature>
      <noticeDate>01/24/2024</noticeDate>
      <signature>Colin Browne</signature>
    </noticeSignature>
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144
0001683049
XXXXXXXX
LIVE
0001336917
Under Armour, Inc.
001-33202
1020 HULL STREET
3RD FLOOR
BALTIMORE
MD
21230
410-454-6758
Browne Colin
Former Officer
Class C
Wells Fargo Clearing Services
1 N. Jefferson Ave.
St. Louis
MO
63103
69307
500412.20
214917103
01/24/2024
NYSE
Class C
02/15/2023
RSU Grants
Issuer
N
69307
02/15/2023
N/A
N
COLIN BROWNE
1020 HULL STREET
3RD FLOOR
BALTIMORE
MD
21230
Class C - Under Armour Inc.
11/27/2023
186000
1376804.00
Shares sold were acquired 2/15/2023 & 5/15/2023 via stock grants (RSUs).
01/24/2024
Colin Browne