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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01701</com:zipCode>
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        <issuerContactPhone>508-720-4224</issuerContactPhone>
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          <relationshipToIssuer>Shareholder</relationshipToIssuer>
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        <securitiesClassTitle>Class A</securitiesClassTitle>
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          <name>Merrill Lynch, Pierce, Fenner &amp; Smith Inc.</name>
          <address>
            <com:street1>555 California Street</com:street1>
            <com:street2>FL 18</com:street2>
            <com:city>San Francisco</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94104</com:zipCode>
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        <aggregateMarketValue>21284.00</aggregateMarketValue>
        <noOfUnitsOutstanding>110214798</noOfUnitsOutstanding>
        <approxSaleDate>05/12/2023</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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        <natureOfAcquisitionTransaction>Private Placement</natureOfAcquisitionTransaction>
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        <paymentDate>07/01/2019</paymentDate>
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          <address>
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            <com:city>SAN FRANCISCO</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94105</com:zipCode>
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        <sellerDetails>
          <name>Spectrum Equity VII DHC AIV Feeder, L.P.</name>
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            <com:street1>140 NEW MONTGOMERY ST FL 20TH</com:street1>
            <com:city>San Francisco</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94105</com:zipCode>
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            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94105</com:zipCode>
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        <saleDate>02/27/2023</saleDate>
        <amountOfSecuritiesSold>3939</amountOfSecuritiesSold>
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          <name>Spectrum VII Co-Investment Fund, L.P.</name>
          <address>
            <com:street1>140 NEW MONTGOMERY ST FL 20TH</com:street1>
            <com:city>SAN FRANCISCO</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94105</com:zipCode>
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        <grossProceeds>25587.12</grossProceeds>
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      <noticeSignature>
        <noticeDate>05/12/2023</noticeDate>
        <signature>Carolina Alvarez Picazo</signature>
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text: 144
  0001822087
  XXXXXXXX
  LIVE
  0001861795
  Definitive Healthcare Corp.
  001-40815
  492 OLD CONNECTICUT PATH, SUITE 401
  FRAMINGHAM
  MA
  01701
  508-720-4224
  Spectrum VII Co-Investment Fund, L.P.
  Shareholder
  Class A
  Merrill Lynch, Pierce, Fenner & Smith Inc.
  555 California Street
  FL 18
  San Francisco
  CA
  94104
  2301
  21284.00
  110214798
  05/12/2023
  NASDAQ
  Class A
  07/01/2019
  Private Placement
  Issuer
  N
  2301
  07/01/2019
  Cash
  N
  Spectrum Equity VII DHC AIV, L.P.
  140 NEW MONTGOMERY ST FL 20TH
  SAN FRANCISCO
  CA
  94105
  Definitive Healthcare Corp.
  02/27/2023
  2710803
  30144129.36
  Spectrum Equity VII DHC AIV Feeder, L.P.
  140 NEW MONTGOMERY ST FL 20TH
  San Francisco
  CA
  94105
  Definitive Healthcare Corp.
  02/27/2023
  282957
  3146481.84
  Spectrum VII Investment Managers Fund, L.P.
  140 NEW MONTGOMERY ST FL 20TH
  San Francisco
  CA
  94105
  Definitive Healthcare Corp.
  02/27/2023
  3939
  43801.68
  Spectrum VII Co-Investment Fund, L.P.
  140 NEW MONTGOMERY ST FL 20TH
  SAN FRANCISCO
  CA
  94105
  Definitive Healthcare Corp.
  02/27/2023
  2301
  25587.12
  05/12/2023
  Carolina Alvarez Picazo