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    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001683049</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <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>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Class C Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Wells Fargo Clearing Services</name>
        <address>
          <com:street1>1 North Jefferson Avenue</com:street1>
          <com:city>St. Louis</com:city>
          <com:stateOrCountry>MO</com:stateOrCountry>
          <com:zipCode>63103</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>186000</noOfUnitsSold>
      <aggregateMarketValue>1376804.00</aggregateMarketValue>
      <noOfUnitsOutstanding>214917103</noOfUnitsOutstanding>
      <approxSaleDate>11/27/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Class C</securitiesClassTitle>
      <acquiredDate>11/15/2017</acquiredDate>
      <natureOfAcquisitionTransaction>RSUs</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>12268</amountOfSecuritiesAcquired>
      <paymentDate>11/15/2017</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Class C</securitiesClassTitle>
      <acquiredDate>02/15/2018</acquiredDate>
      <natureOfAcquisitionTransaction>RSUs</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3013</amountOfSecuritiesAcquired>
      <paymentDate>02/15/2018</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Class C</securitiesClassTitle>
      <acquiredDate>11/15/2019</acquiredDate>
      <natureOfAcquisitionTransaction>RSUs</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>10466</amountOfSecuritiesAcquired>
      <paymentDate>11/15/2019</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Class C</securitiesClassTitle>
      <acquiredDate>02/15/2020</acquiredDate>
      <natureOfAcquisitionTransaction>RSUs</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>41258</amountOfSecuritiesAcquired>
      <paymentDate>02/15/2020</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Class C</securitiesClassTitle>
      <acquiredDate>11/15/2020</acquiredDate>
      <natureOfAcquisitionTransaction>RSUs</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>9585</amountOfSecuritiesAcquired>
      <paymentDate>11/15/2020</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Class C</securitiesClassTitle>
      <acquiredDate>02/15/2021</acquiredDate>
      <natureOfAcquisitionTransaction>RSUs</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>50193</amountOfSecuritiesAcquired>
      <paymentDate>02/15/2021</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Class C</securitiesClassTitle>
      <acquiredDate>02/15/2022</acquiredDate>
      <natureOfAcquisitionTransaction>RSUs</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>53470</amountOfSecuritiesAcquired>
      <paymentDate>02/15/2022</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Class C</securitiesClassTitle>
      <acquiredDate>02/15/2023</acquiredDate>
      <natureOfAcquisitionTransaction>RSUs</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5747</amountOfSecuritiesAcquired>
      <paymentDate>02/15/2023</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>11/27/2023</noticeDate>
      <signature>Colin Browne</signature>
    </noticeSignature>
  </formData>
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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
Officer
Class C Common
Wells Fargo Clearing Services
1 North Jefferson Avenue
St. Louis
MO
63103
186000
1376804.00
214917103
11/27/2023
NYSE
Class C
11/15/2017
RSUs
Issuer
N
12268
11/15/2017
N/A
Class C
02/15/2018
RSUs
Issuer
N
3013
02/15/2018
N/A
Class C
11/15/2019
RSUs
Issuer
N
10466
11/15/2019
N/A
Class C
02/15/2020
RSUs
Issuer
N
41258
02/15/2020
N/A
Class C
11/15/2020
RSUs
Issuer
N
9585
11/15/2020
N/A
Class C
02/15/2021
RSUs
Issuer
N
50193
02/15/2021
N/A
Class C
02/15/2022
RSUs
Issuer
N
53470
02/15/2022
N/A
Class C
02/15/2023
RSUs
Issuer
N
5747
02/15/2023
N/A
Y
11/27/2023
Colin Browne