<SEC-DOCUMENT>0001209191-21-064512.txt : 20211115
<SEC-HEADER>0001209191-21-064512.hdr.sgml : 20211115
<ACCEPTANCE-DATETIME>20211115171319
ACCESSION NUMBER:		0001209191-21-064512
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211111
FILED AS OF DATE:		20211115
DATE AS OF CHANGE:		20211115

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Prescott Alan
		CENTRAL INDEX KEY:			0001878138

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38791
		FILM NUMBER:		211412370

	MAIL ADDRESS:	
		STREET 1:		C/O LUMINAR TECHNOLOGIES, INC.
		STREET 2:		2603 DISCOVERY DRIVE, SUITE 100
		CITY:			ORLANDO
		STATE:			FL
		ZIP:			32826

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Luminar Technologies, Inc./DE
		CENTRAL INDEX KEY:			0001758057
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				831804317
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2603 DISCOVERY DRIVE, SUITE 100
		CITY:			ORLANDO
		STATE:			FL
		ZIP:			32826
		BUSINESS PHONE:		407-900-5259

	MAIL ADDRESS:	
		STREET 1:		2603 DISCOVERY DRIVE, SUITE 100
		CITY:			ORLANDO
		STATE:			FL
		ZIP:			32826

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Luminar Technologies, Inc./FL
		DATE OF NAME CHANGE:	20201203

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Gores Metropoulos, Inc.
		DATE OF NAME CHANGE:	20181102
</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>2021-11-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001758057</issuerCik>
        <issuerName>Luminar Technologies, Inc./DE</issuerName>
        <issuerTradingSymbol>LAZR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001878138</rptOwnerCik>
            <rptOwnerName>Prescott Alan</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LUMINAR TECHNOLOGIES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2603 DISCOVERY DRIVE, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>ORLANDO</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>32826</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Legal Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-11-11</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>353000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1065487</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-11-11</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>370000</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1435487</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares of Class A common stock underlying a time-based restricted stock unit award (&quot;RSU&quot;). Subject to the continuous service of the Reporting Person on each vesting date, the RSU will vest as follows: 3/16th of the total shares underlying the RSU will vest on January 26, 2022, and thereafter, 1/16th of the total shares underlying the RSU will vest on each quarterly anniversary thereof until the RSU is fully vested.</footnote>
        <footnote id="F2">Represents shares of Class A common stock underlying an RSU. Subject to the continuous service of the Reporting Person on each vesting date, the RSU will vest as follows: 10% of the total shares underlying the RSU will vest on November 11 of each of 2022 and 2023, respectively; an additional 15% of the total shares underlying the RSU will vest on November 11 of each of 2024 and 2025, respectively; an additional 20% of the total shares underlying the RSU will vest on November 11, 2026; and the remaining 30% of the total shares underlying the RSU will vest on November 11, 2027.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Alan Prescott</signatureName>
        <signatureDate>2021-11-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
