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      <issuerName>Information Services Group Inc.</issuerName>
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      <issuerAddress>
        <com:street1>2187 ATLANTIC STREET</com:street1>
        <com:city>STAMFORD</com:city>
        <com:stateOrCountry>CT</com:stateOrCountry>
        <com:zipCode>06902</com:zipCode>
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      <issuerContactPhone>203-517-3100</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>RAINA KALPANA</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
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    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co., Inc.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
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      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>60000</noOfUnitsSold>
      <aggregateMarketValue>202200.00</aggregateMarketValue>
      <noOfUnitsOutstanding>49072315</noOfUnitsOutstanding>
      <approxSaleDate>11/13/2024</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
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      <securitiesClassTitle>Common</securitiesClassTitle>
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      <natureOfAcquisitionTransaction>Restricted Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>60000</amountOfSecuritiesAcquired>
      <paymentDate>12/15/2017</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
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    <remarks>2a) Kalpana Raina Rev Tr 4/8/2024, Kalpana Raina TTEE Table 1) acquisition dates 12/15/2017 - 12/07/2023</remarks>
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      <noticeDate>11/13/2024</noticeDate>
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144
0001229271
XXXXXXXX
LIVE
0001371489
Information Services Group Inc.
001-33287
2187 ATLANTIC STREET
STAMFORD
CT
06902
203-517-3100
RAINA KALPANA
Director
Common
Charles Schwab & Co., Inc.
3000 Schwab Way
Westlake
TX
76262
60000
202200.00
49072315
11/13/2024
Nasdaq
Common
12/15/2017
Restricted Stock Award
Issuer
N
60000
12/15/2017
Equity Compensation
Y
2a) Kalpana Raina Rev Tr 4/8/2024, Kalpana Raina TTEE Table 1) acquisition dates 12/15/2017 - 12/07/2023
11/13/2024
Kalpana Raina TTEE Kalpana Raina Rev Tr