<SEC-DOCUMENT>0001971857-23-000624.txt : 20230905
<SEC-HEADER>0001971857-23-000624.hdr.sgml : 20230905
<ACCEPTANCE-DATETIME>20230905162657
ACCESSION NUMBER:		0001971857-23-000624
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230905
DATE AS OF CHANGE:		20230905

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Datadog, Inc.
		CENTRAL INDEX KEY:			0001561550
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				272825503
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-39051
		FILM NUMBER:		231236134

	BUSINESS ADDRESS:	
		STREET 1:		620 EIGHTH AVENUE, 45TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018
		BUSINESS PHONE:		866-329-4466

	MAIL ADDRESS:	
		STREET 1:		620 EIGHTH AVENUE, 45TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ittycheria Dev
		CENTRAL INDEX KEY:			0001397383

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O MONGO DB, INC.
		STREET 2:		1633 BROADWAY, 38TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001397383</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
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      <liveTestFlag>LIVE</liveTestFlag>



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  <formData>
    <issuerInfo>
      <issuerCik>0001561550</issuerCik>
      <issuerName>Datadog, Inc.</issuerName>
      <secFileNumber>001-39051</secFileNumber>
      <issuerAddress>
        <com:street1>620 EIGHTH AVENUE, 45TH FLOOR</com:street1>
        <com:city>NEW YORK</com:city>
        <com:stateOrCountry>NY</com:stateOrCountry>
        <com:zipCode>10018</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>866-329-4466</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Ittycheria Dev</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Merrill Lynch Pierce Fenner and Smith</name>
        <address>
          <com:street1>100 Federal Street</com:street1>
          <com:street2>12th Floor</com:street2>
          <com:city>Boston</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02110</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>6250</noOfUnitsSold>
      <aggregateMarketValue>596911.88</aggregateMarketValue>
      <noOfUnitsOutstanding>299066738</noOfUnitsOutstanding>
      <approxSaleDate>09/05/2023</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>11/16/2015</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Data Dog Inc</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>6250</amountOfSecuritiesAcquired>
      <paymentDate>09/05/2023</paymentDate>
      <natureOfPayment>cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>LIDI 11 21 LLC</name>
        <address>
          <com:street1>c/o DataDog Inc</com:street1>
          <com:street2>620 8th Ave. 45th Fl</com:street2>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10018</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>DataDog Inc</securitiesClassTitle>
      <saleDate>09/05/2023</saleDate>
      <amountOfSecuritiesSold>5000</amountOfSecuritiesSold>
      <grossProceeds>477270.33</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>09/05/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>06/05/2023</planAdoptionDate>
      </planAdoptionDates>
      <signature>Dev Ittycheria</signature>
    </noticeSignature>
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