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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001603527</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001404655</issuerCik>
      <issuerName>HUBSPOT INC</issuerName>
      <secFileNumber>001-36680</secFileNumber>
      <issuerAddress>
        <com:street1>2 CANAL PARK</com:street1>
        <com:city>CAMBRIDGE</com:city>
        <com:stateOrCountry>MA</com:stateOrCountry>
        <com:zipCode>02141</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(888) 482-7768</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Halligan Brian</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem Street</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>8500</noOfUnitsSold>
      <aggregateMarketValue>3995000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>49638689</noOfUnitsOutstanding>
      <approxSaleDate>05/16/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>04/28/2020</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>8500</amountOfSecuritiesAcquired>
      <paymentDate>04/28/2020</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Brian Halligan</name>
        <address>
          <com:street1>Two Canal Park</com:street1>
          <com:city>Cambridge</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02141</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/21/2023</saleDate>
      <amountOfSecuritiesSold>8500</amountOfSecuritiesSold>
      <grossProceeds>3358180.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Brian Halligan</name>
        <address>
          <com:street1>Two Canal Park</com:street1>
          <com:city>Cambridge</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02141</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/21/2023</saleDate>
      <amountOfSecuritiesSold>8500</amountOfSecuritiesSold>
      <grossProceeds>3339225.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Brian Halligan</name>
        <address>
          <com:street1>Two Canal Park</com:street1>
          <com:city>Cambridge</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02141</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>04/18/2023</saleDate>
      <amountOfSecuritiesSold>8500</amountOfSecuritiesSold>
      <grossProceeds>3592525.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>05/16/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>03/10/2022</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Brian Halligan</signature>
    </noticeSignature>
  </formData>
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144
0001603527
XXXXXXXX
LIVE
0001404655
HUBSPOT INC
001-36680
2 CANAL PARK
CAMBRIDGE
MA
02141
(888) 482-7768
Halligan Brian
Officer
Director
Common
Fidelity Brokerage Services LLC
900 Salem Street
Smithfield
RI
02917
8500
3995000.00
49638689
05/16/2023
NYSE
Common
04/28/2020
Stock Option Exercise
Issuer
N
8500
04/28/2020
Cash
N
Brian Halligan
Two Canal Park
Cambridge
MA
02141
Common
02/21/2023
8500
3358180.00
Brian Halligan
Two Canal Park
Cambridge
MA
02141
Common
03/21/2023
8500
3339225.00
Brian Halligan
Two Canal Park
Cambridge
MA
02141
Common
04/18/2023
8500
3592525.00
05/16/2023
03/10/2022
/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Brian Halligan