<SEC-DOCUMENT>0001052918-17-000471.txt : 20170920
<SEC-HEADER>0001052918-17-000471.hdr.sgml : 20170920
<ACCEPTANCE-DATETIME>20170920213012
ACCESSION NUMBER:		0001052918-17-000471
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170918
FILED AS OF DATE:		20170920
DATE AS OF CHANGE:		20170920

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VIGIL JEFFREY L.
		CENTRAL INDEX KEY:			0001579942

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33404
		FILM NUMBER:		171095027

	MAIL ADDRESS:	
		STREET 1:		405 STATE HIGHWAY 121 BYPASS
		STREET 2:		BUILDING A, SUITE 110
		CITY:			LEWISVILLE
		STATE:			TX
		ZIP:			75067

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESTWATER RESOURCES, INC.
		CENTRAL INDEX KEY:			0000839470
		STANDARD INDUSTRIAL CLASSIFICATION:	METAL MINING [1000]
		IRS NUMBER:				752212772
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6950 S. POTOMAC STREET
		STREET 2:		SUITE 300
		CITY:			CENTENNIAL
		STATE:			CO
		ZIP:			80112
		BUSINESS PHONE:		(303) 531-0470

	MAIL ADDRESS:	
		STREET 1:		6950 S. POTOMAC STREET
		STREET 2:		SUITE 300
		CITY:			CENTENNIAL
		STATE:			CO
		ZIP:			80112

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	URANIUM RESOURCES INC /DE/
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-09-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000839470</issuerCik>
        <issuerName>WESTWATER RESOURCES, INC.</issuerName>
        <issuerTradingSymbol>WWR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001579942</rptOwnerCik>
            <rptOwnerName>VIGIL JEFFREY L.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WESTWATER RESOURCES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>6950 S. POTOMAC STREET, SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>CENTENNIAL</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80112</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President-Finance and CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted stock units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-09-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>45000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>45000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>45000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each restricted stock unit represents the right to receive, at settlement, one share of common stock.</footnote>
        <footnote id="F2">The restricted stock units vest based on the following criteria: (i) one-third vest in three equal installments on each of December 31, 2017, 2018 and 2019; and (ii) the remaining two-thirds vest based on satisfaction of performance and total shareholder return measures for each of 2017, 2018 and 2019 as determined by the issuer's board of directors. Shares will be delivered to the reporting person following vesting.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jeffrey L. Vigil</signatureName>
        <signatureDate>2017-09-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
