<SEC-DOCUMENT>0001209191-16-147291.txt : 20161028
<SEC-HEADER>0001209191-16-147291.hdr.sgml : 20161028
<ACCEPTANCE-DATETIME>20161028161649
ACCESSION NUMBER:		0001209191-16-147291
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20161026
FILED AS OF DATE:		20161028
DATE AS OF CHANGE:		20161028

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Fulgent Genetics, Inc.
		CENTRAL INDEX KEY:			0001674930
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		IRS NUMBER:				812621304
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4978 SANTA ANITA AVENUE, SUITE 205
		CITY:			TEMPLE CITY
		STATE:			CA
		ZIP:			91780
		BUSINESS PHONE:		626-350-0537

	MAIL ADDRESS:	
		STREET 1:		4978 SANTA ANITA AVENUE, SUITE 205
		CITY:			TEMPLE CITY
		STATE:			CA
		ZIP:			91780

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Fulgent Diagnostics, Inc.
		DATE OF NAME CHANGE:	20160517

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mulay James
		CENTRAL INDEX KEY:			0001684531

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37894
		FILM NUMBER:		161958786

	MAIL ADDRESS:	
		STREET 1:		6521 THOROUGHBRED LOOP
		CITY:			ODESSA
		STATE:			FL
		ZIP:			33556
</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>2016-10-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001674930</issuerCik>
        <issuerName>Fulgent Genetics, Inc.</issuerName>
        <issuerTradingSymbol>FLGT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001684531</rptOwnerCik>
            <rptOwnerName>Mulay James</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O FULGENT GENETICS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>4978 SANTA ANITA AVENUE</rptOwnerStreet2>
            <rptOwnerCity>TEMPLE CITY</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>91780</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</value>
            </securityTitle>
            <transactionDate>
                <value>2016-10-26</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>8000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents an award of 8,000 restricted stock units (&quot;RSUs&quot;) granted to Dr. Mulay in connection with his appointment as a director of the Issuer. Each RSU represents the contingent right to receive one share of the Issuer's common stock. The RSUs vest over a period of four years, with 1/4th of the shares subject to the RSUs vesting 12 months after September 28, 2016, and 1/16th of the remaining shares subject to the RSUs vesting at the end of every three-month period over the 36 months thereafter, subject to Dr. Mulay's continued service for the Issuer on each vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Paul Kim, as Attorney-in-Fact</signatureName>
        <signatureDate>2016-10-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
