<SEC-DOCUMENT>0001209191-18-060923.txt : 20181204
<SEC-HEADER>0001209191-18-060923.hdr.sgml : 20181204
<ACCEPTANCE-DATETIME>20181204170348
ACCESSION NUMBER:		0001209191-18-060923
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181201
FILED AS OF DATE:		20181204
DATE AS OF CHANGE:		20181204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Green Jeffrey Terry
		CENTRAL INDEX KEY:			0001671445

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37879
		FILM NUMBER:		181217604

	MAIL ADDRESS:	
		STREET 1:		42 N. CHESTNUT STREET
		CITY:			VENTURA
		STATE:			CA
		ZIP:			93001

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Trade Desk, Inc.
		CENTRAL INDEX KEY:			0001671933
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		IRS NUMBER:				271887399
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		42 N. CHESTNUT STREET
		CITY:			VENTURA
		STATE:			CA
		ZIP:			93001
		BUSINESS PHONE:		(805) 585-3434

	MAIL ADDRESS:	
		STREET 1:		42 N. CHESTNUT STREET
		CITY:			VENTURA
		STATE:			CA
		ZIP:			93001
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
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<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-12-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001671933</issuerCik>
        <issuerName>Trade Desk, Inc.</issuerName>
        <issuerTradingSymbol>TTD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001671445</rptOwnerCik>
            <rptOwnerName>Green Jeffrey Terry</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O THE TRADE DESK, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>42 NORTH CHESTNUT STREET</rptOwnerStreet2>
            <rptOwnerCity>VENTURA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>93001</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
                <value>2018-12-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
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                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>27114</value>
                    <footnoteId id="F1"/>
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                <transactionPricePerShare>
                    <value>0.00</value>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>108675</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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                    <footnoteId id="F2"/>
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                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
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                </sharesOwnedFollowingTransaction>
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            <transactionDate>
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        </nonDerivativeTransaction>
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    <derivativeTable>
        <derivativeTransaction>
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                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>142.45</value>
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            <transactionDate>
                <value>2018-12-01</value>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>50523</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
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            <exerciseDate>
                <footnoteId id="F4"/>
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            <expirationDate>
                <value>2028-12-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>50523</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                    <value>D</value>
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        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>156.70</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-12-01</value>
            </transactionDate>
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                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>702</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2023-12-01</value>
            </expirationDate>
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                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
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                    <value>702</value>
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                <sharesOwnedFollowingTransaction>
                    <value>702</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents restricted stock with a vesting commencement date (&quot;VCD&quot;) of December 1, 2018, and which vests as to one-fourth of the granted shares on each anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.</footnote>
        <footnote id="F2">The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a Restricted Stock Award granted December 23, 2016.</footnote>
        <footnote id="F3">The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a Restricted Stock Award granted December 1, 2017.</footnote>
        <footnote id="F4">The option was granted on December 1, 2018, the VCD. The option vests over four years in increments on each monthly anniversary of the VCD according to the following schedule: an aggregate of 12,806 shares will vest during each of the calendar years 2019, 2020 and 2021 and an aggregate of 12,105 shares will vest during calendar year 2022, in each case, subject to continued employment with the Issuer through the applicable vesting dates.</footnote>
        <footnote id="F5">The option was granted on December 1, 2018, with a VCD of December 1, 2021. One twelfth (1/12th) of the shares subject to the option vest on each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Vivian Yang, Attorney in fact for Jeffery Terry Green</signatureName>
        <signatureDate>2018-12-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
