<SEC-DOCUMENT>0001209191-23-036026.txt : 20230609
<SEC-HEADER>0001209191-23-036026.hdr.sgml : 20230609
<ACCEPTANCE-DATETIME>20230609183717
ACCESSION NUMBER:		0001209191-23-036026
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230607
FILED AS OF DATE:		20230609
DATE AS OF CHANGE:		20230609

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Simoncini Matthew
		CENTRAL INDEX KEY:			0001354501

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38791
		FILM NUMBER:		231006706

	MAIL ADDRESS:	
		STREET 1:		21557 TELEGRAPH ROAD
		CITY:			SOUTHFIELD
		STATE:			MI
		ZIP:			48034

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>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-06-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001354501</rptOwnerCik>
            <rptOwnerName>Simoncini Matthew</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>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-06-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>31855</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>108425</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;). Each annual RSU Award shall vest in full on the first to occur of (i) the 1-year anniversary of the grant date, June 7, 2024 or (ii) the date of the next Annual Meeting, subject to the Reporting Person's continued service as a member of the Board through such vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Alan Prescott, as Attorney-in-Fact for Matthew J. Simoncini</signatureName>
        <signatureDate>2023-06-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
