<SEC-DOCUMENT>0000899243-20-035212.txt : 20201228
<SEC-HEADER>0000899243-20-035212.hdr.sgml : 20201228
<ACCEPTANCE-DATETIME>20201228165509
ACCESSION NUMBER:		0000899243-20-035212
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201222
FILED AS OF DATE:		20201228
DATE AS OF CHANGE:		20201228

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DeYoung Casi
		CENTRAL INDEX KEY:			0001652066

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39593
		FILM NUMBER:		201418951

	MAIL ADDRESS:	
		STREET 1:		C/O MIRNA THERAPEUTICS, INC.
		STREET 2:		2150 WOODWARD ST., SUITE 100
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78744

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Shattuck Labs, Inc.
		CENTRAL INDEX KEY:			0001680367
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				812575858
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1018 W. 11TH STREET
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78703
		BUSINESS PHONE:		919-864-2700

	MAIL ADDRESS:	
		STREET 1:		1018 W. 11TH STREET
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-12-22</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001680367</issuerCik>
        <issuerName>Shattuck Labs, Inc.</issuerName>
        <issuerTradingSymbol>STTK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001652066</rptOwnerCik>
            <rptOwnerName>DeYoung Casi</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SHATTUCK LABS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1018 W. 11TH STREET, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>AUSTIN</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>78703</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Business Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>53.02</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-12-22</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18743</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-12-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>18743</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18743</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This option represents a right to purchase a total of 18,743 shares of the Issuer's common stock, one quarter of which will vest on December 22, 2021, with the remaining three quarters vesting in equal monthly installments through December 22, 2024, subject to the Reporting Person's continued service to the Issuer.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Erin Ator Thomson, Attorney-in-fact for Casi DeYoung</signatureName>
        <signatureDate>2020-12-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
