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      <issuerAddress>
        <com:street1>100 NAGOG PARK</com:street1>
        <com:city>ACTON</com:city>
        <com:stateOrCountry>MA</com:stateOrCountry>
        <com:zipCode>01720</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>978-600-7000</issuerContactPhone>
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      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
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    <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>1255</noOfUnitsSold>
      <aggregateMarketValue>399478.61</aggregateMarketValue>
      <noOfUnitsOutstanding>69542257</noOfUnitsOutstanding>
      <approxSaleDate>04/03/2023</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/01/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1255</amountOfSecuritiesAcquired>
      <paymentDate>03/01/2021</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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      <sellerDetails>
        <name>Wayde D. McMillan</name>
        <address>
          <com:street1>100 Nagog Park</com:street1>
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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01720</com:zipCode>
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      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>01/03/2023</saleDate>
      <amountOfSecuritiesSold>1359</amountOfSecuritiesSold>
      <grossProceeds>389260.35</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>04/03/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>08/09/2022</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Lisa Gerard, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Wayde McMillan</signature>
    </noticeSignature>
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144
0001768648
XXXXXXXX
LIVE
0001145197
INSULET CORP
001-33462
100 NAGOG PARK
ACTON
MA
01720
978-600-7000
McMillan Wayde D.
Officer
Common
Fidelity Brokerage Services LLC
900 Salem Street
Smithfield
RI
02917
1255
399478.61
69542257
04/03/2023
NASDAQ
Common
03/01/2021
Restricted Stock Vesting
Issuer
N
1255
03/01/2021
Compensation
N
Wayde D. McMillan
100 Nagog Park
Acton
MA
01720
Common
01/03/2023
1359
389260.35
04/03/2023
08/09/2022
/s/ Lisa Gerard, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Wayde McMillan