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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001978863</cik>
            <ccc>XXXXXXXX</ccc>
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        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
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      <issuerInfo>
        <issuerCik>0001462056</issuerCik>
        <issuerName>Backblaze, Inc.</issuerName>
        <secFileNumber>001-41026</secFileNumber>
        <issuerAddress>
          <com:street1>201 BALDWIN AVENUE</com:street1>
          <com:city>SAN MATEO</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94401</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>650.352.3738</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Cessna Tina</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Oppenheimer &amp; Co Inc</name>
          <address>
            <com:street1>85 Broad Street</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10004</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>20000</noOfUnitsSold>
        <aggregateMarketValue>198000.00</aggregateMarketValue>
        <noOfUnitsOutstanding>37600000</noOfUnitsOutstanding>
        <approxSaleDate>02/23/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/25/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Compensation</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>20000</amountOfSecuritiesAcquired>
        <paymentDate>02/23/2024</paymentDate>
        <natureOfPayment>NA</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Tina Cessna</name>
          <address>
            <com:street1>201 Baldwin Ave</com:street1>
            <com:city>San Mateo</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94401</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>01/09/2024</saleDate>
        <amountOfSecuritiesSold>17279</amountOfSecuritiesSold>
        <grossProceeds>125618.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Tina Cessna</name>
          <address>
            <com:street1>201 Baldwin Ave</com:street1>
            <com:city>San Mateo</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94401</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>12/04/2023</saleDate>
        <amountOfSecuritiesSold>29685</amountOfSecuritiesSold>
        <grossProceeds>228277.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Tina Cessna</name>
          <address>
            <com:street1>201 Baldwin Ave</com:street1>
            <com:city>San Mateo</com:city>
            <com:stateOrCountry>ID</com:stateOrCountry>
            <com:zipCode>94401</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>01/05/2024</saleDate>
        <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
        <grossProceeds>143600.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Tina Cessna</name>
          <address>
            <com:street1>201 Baldwin Ave</com:street1>
            <com:city>San Mateo</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94401</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>01/08/2024</saleDate>
        <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
        <grossProceeds>139800.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>02/23/2024</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>08/30/2023</planAdoptionDate>
        </planAdoptionDates>
        <signature>Tina Cessna</signature>
      </noticeSignature>
    </formData>
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metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 5101}]
text: 144
  0001978863
  XXXXXXXX
  LIVE
  0001462056
  Backblaze, Inc.
  001-41026
  201 BALDWIN AVENUE
  SAN MATEO
  CA
  94401
  650.352.3738
  Cessna Tina
  Officer
  Common
  Oppenheimer & Co Inc
  85 Broad Street
  New York
  NY
  10004
  20000
  198000.00
  37600000
  02/23/2024
  NASDAQ
  Common
  05/25/2021
  Compensation
  Issuer
  N
  20000
  02/23/2024
  NA
  N
  Tina Cessna
  201 Baldwin Ave
  San Mateo
  CA
  94401
  Common
  01/09/2024
  17279
  125618.00
  Tina Cessna
  201 Baldwin Ave
  San Mateo
  CA
  94401
  Common
  12/04/2023
  29685
  228277.00
  Tina Cessna
  201 Baldwin Ave
  San Mateo
  ID
  94401
  Common
  01/05/2024
  20000
  143600.00
  Tina Cessna
  201 Baldwin Ave
  San Mateo
  CA
  94401
  Common
  01/08/2024
  20000
  139800.00
  02/23/2024
  08/30/2023
  Tina Cessna