<SEC-DOCUMENT>0001209191-18-058265.txt : 20181113
<SEC-HEADER>0001209191-18-058265.hdr.sgml : 20181113
<ACCEPTANCE-DATETIME>20181113162933
ACCESSION NUMBER:		0001209191-18-058265
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181109
FILED AS OF DATE:		20181113
DATE AS OF CHANGE:		20181113

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hsieh Ming
		CENTRAL INDEX KEY:			0001302110

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37894
		FILM NUMBER:		181178374

	MAIL ADDRESS:	
		STREET 1:		209 FAIR OAKS AVE
		CITY:			SOUTH PASADENA
		STATE:			CA
		ZIP:			91030

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
</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>2018-11-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001302110</rptOwnerCik>
            <rptOwnerName>Hsieh Ming</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>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-11-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.361</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6559707</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1315789</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Annuity Trust</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The shares were purchased in multiple transactions at prices ranging from $3.30 to $3.40, inclusive. The reported price reflects the weighted-average purchase price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.</footnote>
        <footnote id="F2">The securities are held of record by the Ming Hsieh Annuity Trust established May 4, 2016, over which the reporting person possesses sole voting and dispositive power as the sole trustee.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Paul Kim as Attorney-in-Fact</signatureName>
        <signatureDate>2018-11-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
