<SEC-DOCUMENT>0001209191-17-024173.txt : 20170403
<SEC-HEADER>0001209191-17-024173.hdr.sgml : 20170403
<ACCEPTANCE-DATETIME>20170403162854
ACCESSION NUMBER:		0001209191-17-024173
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170330
FILED AS OF DATE:		20170403
DATE AS OF CHANGE:		20170403

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Smart Sand, Inc.
		CENTRAL INDEX KEY:			0001529628
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				452809926
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		24 WATERWAY AVENUE, SUITE 350
		CITY:			THE WOODLANDS
		STATE:			TX
		ZIP:			77380
		BUSINESS PHONE:		(281) 231-2660

	MAIL ADDRESS:	
		STREET 1:		24 WATERWAY AVENUE, SUITE 350
		CITY:			THE WOODLANDS
		STATE:			TX
		ZIP:			77380

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Beckelman Lee E
		CENTRAL INDEX KEY:			0001315758

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37936
		FILM NUMBER:		17734593

	MAIL ADDRESS:	
		STREET 1:		12001 NORTH HOUSTON ROSSLYN
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77086
</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>2017-03-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001529628</issuerCik>
        <issuerName>Smart Sand, Inc.</issuerName>
        <issuerTradingSymbol>SND</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001315758</rptOwnerCik>
            <rptOwnerName>Beckelman Lee E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SMART SAND, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>24 WATERWAY AVENUE, SUITE 350</rptOwnerStreet2>
            <rptOwnerCity>THE WOODLANDS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77380</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <transactionDate>
                <value>2017-03-30</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>30450</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>117500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 16,396 shares of Restricted Stock granted to the Reporting Person on March 30, 2017 under the Issuer's 2017 Long Term Incentive Award Plan (the &quot;Plan&quot;), which vest in four equal annual installments on each of the next four anniversaries of the grant date, subject to the Reporting Person's continued employment with or service to the Issuer through the applicable vesting date and 14,054 shares of Restricted Stock granted to the Reporting Person on March 30, 2017 under the Plan which are earned on the date as of which the stock prices reaches certain levels for 20 of 30 consecutive days within the 18 months following the grant date, and on such date the shares vest 1/3, and then 1/3 on the first and second anniversary of such date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Lee E. Beckelman</signatureName>
        <signatureDate>2017-04-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
