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            <ccc>XXXXXXXX</ccc>
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        <issuerName>BigBear.ai Holdings, Inc.</issuerName>
        <secFileNumber>001-40031</secFileNumber>
        <issuerAddress>
          <com:street1>6811 BENJAMIN FRANKLIN DRIVE, SUITE 200</com:street1>
          <com:city>COLUMBIA</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>21046</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>(410) 967-0335</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>BBAI Ultimate Holdings, LLC</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch, Pierce, Fenner &amp; Smith Inc.</name>
          <address>
            <com:street1>555 California Street, FL 18</com:street1>
            <com:city>San Francisco</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94104</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>3953626</noOfUnitsSold>
        <aggregateMarketValue>7749106.96</aggregateMarketValue>
        <noOfUnitsOutstanding>250585897</noOfUnitsOutstanding>
        <approxSaleDate>11/12/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
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        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/13/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Private Placement</natureOfAcquisitionTransaction>
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        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3953626</amountOfSecuritiesAcquired>
        <paymentDate>12/13/2021</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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        <sellerDetails>
          <name>BBAI ULTIMATE HOLDINGS, LLC</name>
          <address>
            <com:street1>6700 BROKEN SOUND PARKWAY NW</com:street1>
            <com:city>BOCA RATON</com:city>
            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33487</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
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        <amountOfSecuritiesSold>572817</amountOfSecuritiesSold>
        <grossProceeds>1018916.57</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>BBAI ULTIMATE HOLDINGS, LLC</name>
          <address>
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            <com:city>BOCA RATON</com:city>
            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33487</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
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        <amountOfSecuritiesSold>439040</amountOfSecuritiesSold>
        <grossProceeds>773444.04</grossProceeds>
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      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>BBAI ULTIMATE HOLDINGS, LLC</name>
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            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33487</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>10/17/2024</saleDate>
        <amountOfSecuritiesSold>10075</amountOfSecuritiesSold>
        <grossProceeds>17632.75</grossProceeds>
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        <sellerDetails>
          <name>BBAI ULTIMATE HOLDINGS, LLC</name>
          <address>
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            <com:city>BOCA RATON</com:city>
            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33487</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>10/18/2024</saleDate>
        <amountOfSecuritiesSold>389534</amountOfSecuritiesSold>
        <grossProceeds>688749.87</grossProceeds>
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      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>BBAI ULTIMATE HOLDINGS, LLC</name>
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            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33487</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>10/21/2024</saleDate>
        <amountOfSecuritiesSold>5500</amountOfSecuritiesSold>
        <grossProceeds>9642.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>BBAI ULTIMATE HOLDINGS, LLC</name>
          <address>
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            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33487</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>10/29/2024</saleDate>
        <amountOfSecuritiesSold>562400</amountOfSecuritiesSold>
        <grossProceeds>996717.34</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>BBAI ULTIMATE HOLDINGS, LLC</name>
          <address>
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            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33487</com:zipCode>
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        <grossProceeds>28945.12</grossProceeds>
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      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>BBAI ULTIMATE HOLDINGS, LLC</name>
          <address>
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            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33487</com:zipCode>
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      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>BBAI ULTIMATE HOLDINGS, LLC</name>
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            <com:zipCode>33487</com:zipCode>
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        <securitiesClassTitle>Common</securitiesClassTitle>
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        <grossProceeds>114359.26</grossProceeds>
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      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>BBAI ULTIMATE HOLDINGS, LLC</name>
          <address>
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            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33487</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>11/08/2024</saleDate>
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      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>BBAI ULTIMATE HOLDINGS, LLC</name>
          <address>
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            <com:stateOrCountry>FL</com:stateOrCountry>
            <com:zipCode>33487</com:zipCode>
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        <grossProceeds>6114403.15</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>11/12/2024</noticeDate>
        <signature>Melissa Klafter</signature>
      </noticeSignature>
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metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 9494}]
text: 144
  0001886800
  XXXXXXXX
  LIVE
  0001836981
  BigBear.ai Holdings, Inc.
  001-40031
  6811 BENJAMIN FRANKLIN DRIVE, SUITE 200
  COLUMBIA
  MD
  21046
  (410) 967-0335
  BBAI Ultimate Holdings, LLC
  10% Stockholder
  Common
  Merrill Lynch, Pierce, Fenner & Smith Inc.
  555 California Street, FL 18
  San Francisco
  CA
  94104
  3953626
  7749106.96
  250585897
  11/12/2024
  NYSE
  Common
  12/13/2021
  Private Placement
  Issuer
  N
  3953626
  12/13/2021
  Cash
  N
  BBAI ULTIMATE HOLDINGS, LLC
  6700 BROKEN SOUND PARKWAY NW
  BOCA RATON
  FL
  33487
  Common
  10/15/2024
  572817
  1018916.57
  BBAI ULTIMATE HOLDINGS, LLC
  6700 BROKEN SOUND PARKWAY NW
  BOCA RATON
  FL
  33487
  Common
  10/16/2024
  439040
  773444.04
  BBAI ULTIMATE HOLDINGS, LLC
  6700 BROKEN SOUND PARKWAY NW
  BOCA RATON
  FL
  33487
  Common
  10/17/2024
  10075
  17632.75
  BBAI ULTIMATE HOLDINGS, LLC
  6700 BROKEN SOUND PARKWAY NW
  BOCA RATON
  FL
  33487
  Common
  10/18/2024
  389534
  688749.87
  BBAI ULTIMATE HOLDINGS, LLC
  6700 BROKEN SOUND PARKWAY NW
  BOCA RATON
  FL
  33487
  Common
  10/21/2024
  5500
  9642.00
  BBAI ULTIMATE HOLDINGS, LLC
  6700 BROKEN SOUND PARKWAY NW
  BOCA RATON
  FL
  33487
  Common
  10/29/2024
  562400
  996717.34
  BBAI ULTIMATE HOLDINGS, LLC
  6700 BROKEN SOUND PARKWAY NW
  BOCA RATON
  FL
  33487
  Common
  10/30/2024
  16523
  28945.12
  BBAI ULTIMATE HOLDINGS, LLC
  6700 BROKEN SOUND PARKWAY NW,
  BOCA RATON
  FL
  33487
  Common
  11/05/2024
  859317
  1517614.83
  BBAI ULTIMATE HOLDINGS, LLC
  6700 BROKEN SOUND PARKWAY NW
  BOCA RATON
  FL
  33487
  Common
  11/07/2024
  65047
  114359.26
  BBAI ULTIMATE HOLDINGS, LLC
  6700 BROKEN SOUND PARKWAY NW
  BOCA RATON
  FL
  33487
  Common
  11/08/2024
  1175196
  2072456.97
  BBAI ULTIMATE HOLDINGS, LLC
  6700 BROKEN SOUND PARKWAY NW
  BOCA RATON
  FL
  33487
  Common
  11/11/2024
  3201746
  6114403.15
  11/12/2024
  Melissa Klafter