<SEC-DOCUMENT>0001209191-21-053168.txt : 20210824
<SEC-HEADER>0001209191-21-053168.hdr.sgml : 20210824
<ACCEPTANCE-DATETIME>20210824170404
ACCESSION NUMBER:		0001209191-21-053168
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210820
FILED AS OF DATE:		20210824
DATE AS OF CHANGE:		20210824

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Afemikhe Kingsley
		CENTRAL INDEX KEY:			0001877932

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39598
		FILM NUMBER:		211202850

	MAIL ADDRESS:	
		STREET 1:		3550 TYBURN STREET
		STREET 2:		UNIT 100
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90065

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Xos, Inc.
		CENTRAL INDEX KEY:			0001819493
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				981550505
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3550 TYBURN STREET, SUITE 100
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90065
		BUSINESS PHONE:		(617) 229-6320

	MAIL ADDRESS:	
		STREET 1:		3550 TYBURN STREET, SUITE 100
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90065

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NextGen Acquisition Corp
		DATE OF NAME CHANGE:	20200729
</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>2021-08-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001819493</issuerCik>
        <issuerName>Xos, Inc.</issuerName>
        <issuerTradingSymbol>XOS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001877932</rptOwnerCik>
            <rptOwnerName>Afemikhe Kingsley</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O XOS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3550 TYBURN STREET, UNIT 100</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90065</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>2021-08-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>258615</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>258615</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.015</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-08-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>775851</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-07-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>775851</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>775851</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Received pursuant to the Agreement and Plan of Merger, dated as of February 21, 2021, as amended on May 14, 2021, by and among NextGen Acquisition Corporation (&quot;Acquiror&quot;), Sky Merger Sub I, Inc., a Delaware corporation and wholly owned subsidiary of Acquiror (&quot;Merger Sub&quot;) and Xos, Inc. (&quot;Xos&quot;), pursuant to which Merger Sub was merged with and into Xos, whereupon the separate existence of Merger Sub ceased and Xos became the surviving company and continued in existence as a subsidiary of Acquiror, which subsequently changed its name to Xos, Inc. (the &quot;Issuer&quot;).</footnote>
        <footnote id="F2">25% of the stock option vested and became exercisable on August 1, 2021, and thereafter vests as to 1/48th of the shares in equal monthly
installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date.</footnote>
        <footnote id="F3">Received in exchange for a Stock Option to purchase 528,750 shares of Xos Common Stock, of which 132,187 have been exercised.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Kingsley Afemikhe, by /s/ Kim Merritt, Attorney-in-Fact</signatureName>
        <signatureDate>2021-08-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
