<SEC-DOCUMENT>0001950047-25-007910.txt : 20251014
<SEC-HEADER>0001950047-25-007910.hdr.sgml : 20251014
<ACCEPTANCE-DATETIME>20251014074036
ACCESSION NUMBER:		0001950047-25-007910
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251014
DATE AS OF CHANGE:		20251014

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Datadog, Inc.
		CENTRAL INDEX KEY:			0001561550
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		ORGANIZATION NAME:           	06 Technology
		EIN:				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:		251389657

	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:			Shah Shardul
		CENTRAL INDEX KEY:			0001783882
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O DATADOG, INC.
		STREET 2:		620 8TH AVENUE, 45TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10001
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001783882</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001561550</issuerCik>
            <issuerName>Datadog, Inc.</issuerName>
            <secFileNumber>001-39051</secFileNumber>
            <issuerAddress>
                <ns2:street1>620 8th Avenue, 45th Floor</ns2:street1>
                <ns2:city>New York</ns2:city>
                <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                <ns2:zipCode>10018</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>8663294466</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>2019 SHAH FAMILY TRUST</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>7916</noOfUnitsSold>
            <aggregateMarketValue>1256585.84</aggregateMarketValue>
            <noOfUnitsOutstanding>323270704</noOfUnitsOutstanding>
            <approxSaleDate>10/13/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>11/06/2012</acquiredDate>
            <natureOfAcquisitionTransaction>Fund distribution</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Affiliates of Index Venture Associates</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>7916</amountOfSecuritiesAcquired>
            <paymentDate>11/06/2012</paymentDate>
            <natureOfPayment>Fund distribution</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for 2019 SHAH FAMILY TRUST </name>
                <address>
                    <ns2:street1>620 8th Avenue, 45th Floor</ns2:street1>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10018</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <saleDate>09/12/2025</saleDate>
            <amountOfSecuritiesSold>7916</amountOfSecuritiesSold>
            <grossProceeds>1090672.81</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for 2019 SHAH FAMILY TRUST </name>
                <address>
                    <ns2:street1>620 8th Avenue, 45th Floor</ns2:street1>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10018</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <saleDate>07/15/2025</saleDate>
            <amountOfSecuritiesSold>7924</amountOfSecuritiesSold>
            <grossProceeds>1115703.16</grossProceeds>
        </securitiesSoldInPast3Months>
        <remarks>The securities to be sold were acquired upon a pro-rata distribution of a fund during the period of 11/6/2012 through 5/8/2019. Sales that were executed on October 13, 2025 are being reported on this Form 144 filed on October 14, 2025 given the EDGAR system was not accepting filings on October 13, 2025 in observance of the federal holiday.</remarks>
        <noticeSignature>
            <noticeDate>10/13/2025</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>06/13/2025</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Shardul Gautam Shah</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
