<SEC-DOCUMENT>0000899243-17-010755.txt : 20170421
<SEC-HEADER>0000899243-17-010755.hdr.sgml : 20170421
<ACCEPTANCE-DATETIME>20170421183945
ACCESSION NUMBER:		0000899243-17-010755
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170330
FILED AS OF DATE:		20170421
DATE AS OF CHANGE:		20170421

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:			Leonard Colin
		CENTRAL INDEX KEY:			0001539165

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37936
		FILM NUMBER:		17776962

	MAIL ADDRESS:	
		STREET 1:		233 WILSHIRE BOULEVARD, SUITE 800
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90401
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>doc4a.xml
<DESCRIPTION>FORM 4/A SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2017-03-30</periodOfReport>

    <dateOfOriginalSubmission>2017-04-03</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001539165</rptOwnerCik>
            <rptOwnerName>Leonard Colin</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CLEARLAKE CAPITAL GROUP, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>233 WILSHIRE BLVD., SUITE 800</rptOwnerStreet2>
            <rptOwnerCity>SANTA MONICA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90401</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001 per share</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>4997</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4997</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The shares are held of record by Mr. Leonard for the benefit of Clearlake Capital Partners II (Master), L.P.</footnote>
        <footnote id="F2">Represents shares of restricted stock granted pursuant to Smart Sand, Inc.'s 2016 Long-Term Incentive Plan, which vest on the first anniversary of March 30, 2017, the date of grant. The original Form 4 filed on April 3, 2017 incorrectly stated that the vesting period of the restricted stock was four years. No other information has been amended by this Form 4/A.</footnote>
        <footnote id="F3">Mr. Leonard expressly disclaims beneficial ownership of the reported shares.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Colin Leonard</signatureName>
        <signatureDate>2017-04-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
