-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 AzfeK9vyeEN5xDx8CyfkBS7oKeDoYeEDtRFLU7GsTfoZmDs7pdygsjofPB+Yq0Ol
 MLvffBznM9hWlJo++wf3FA==

<SEC-DOCUMENT>0001495742-11-000016.txt : 20110112
<SEC-HEADER>0001495742-11-000016.hdr.sgml : 20110112
<ACCEPTANCE-DATETIME>20110112130053
ACCESSION NUMBER:		0001495742-11-000016
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110110
FILED AS OF DATE:		20110112
DATE AS OF CHANGE:		20110112

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LEBOE BENJAMIN
		CENTRAL INDEX KEY:			0001128115

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32974
		FILM NUMBER:		11525034

	MAIL ADDRESS:	
		STREET 1:		16730 CARRS LANDING RD
		STREET 2:		LAKE COUNTRY, BRITISH COLUMBIA
		CITY:			CANADA V4V 1B2
		STATE:			A1
		ZIP:			00000

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			URANERZ ENERGY CORP.
		CENTRAL INDEX KEY:			0001162324
		STANDARD INDUSTRIAL CLASSIFICATION:	METAL MINING [1000]
		IRS NUMBER:				980365605
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1701 EAST "E" STREET
		STREET 2:		P.O. BOX 50850
		CITY:			CASPER
		STATE:			WY
		ZIP:			82605-0850
		BUSINESS PHONE:		307-265-8900

	MAIL ADDRESS:	
		STREET 1:		1701 EAST "E" STREET
		STREET 2:		P.O. BOX 50850
		CITY:			CASPER
		STATE:			WY
		ZIP:			82605-0850

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CARLETON VENTURES CORP
		DATE OF NAME CHANGE:	20011115
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-01-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001162324</issuerCik>
        <issuerName>URANERZ ENERGY CORP.</issuerName>
        <issuerTradingSymbol>URZ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001128115</rptOwnerCik>
            <rptOwnerName>LEBOE BENJAMIN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>16730 CARRS LANDING RD</rptOwnerStreet1>
            <rptOwnerStreet2>LAKE COUNTRY, BRITISH COLUMBIA</rptOwnerStreet2>
            <rptOwnerCity>CANADA V4V 1B2</rptOwnerCity>
            <rptOwnerState>A1</rptOwnerState>
            <rptOwnerZipCode>00000</rptOwnerZipCode>
            <rptOwnerStateDescription>BRITISH COLUMBIA, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. VP, Finance &amp; CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2011-01-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.2</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Share Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.98</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2011-01-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.98</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2011-01-10</value>
            </exerciseDate>
            <expirationDate>
                <value>2021-01-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>100000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>576000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <ownerSignature>
        <signatureName>Benjamin Leboe</signatureName>
        <signatureDate>2011-01-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----