<SEC-DOCUMENT>0001104659-13-084908.txt : 20131114
<SEC-HEADER>0001104659-13-084908.hdr.sgml : 20131114
<ACCEPTANCE-DATETIME>20131114180232
ACCESSION NUMBER:		0001104659-13-084908
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20131114
FILED AS OF DATE:		20131114
DATE AS OF CHANGE:		20131114

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BOISE CASCADE Co
		CENTRAL INDEX KEY:			0001328581
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS [5030]
		IRS NUMBER:				201496201
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1111 WEST JEFFERSON STREET, SUITE 300
		STREET 2:		P. O. BOX 50
		CITY:			BOISE
		STATE:			ID
		ZIP:			83702
		BUSINESS PHONE:		(208) 384-6161

	MAIL ADDRESS:	
		STREET 1:		1111 WEST JEFFERSON STREET, SUITE 300
		STREET 2:		P. O. BOX 50
		CITY:			BOISE
		STATE:			ID
		ZIP:			83702

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BOISE CASCADE, L.L.C.
		DATE OF NAME CHANGE:	20050527

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BOISE CASCADE HOLDINGS, L.L.C.
		CENTRAL INDEX KEY:			0001317436
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS [5030]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35805
		FILM NUMBER:		131221817

	BUSINESS ADDRESS:	
		STREET 1:		1111 WEST JEFFERSON STREET, SUITE 300
		STREET 2:		P. O. BOX 50
		CITY:			BOISE
		STATE:			ID
		ZIP:			83728
		BUSINESS PHONE:		(208) 384-6161

	MAIL ADDRESS:	
		STREET 1:		1111 WEST JEFFERSON STREET, SUITE 300
		STREET 2:		P. O. BOX 50
		CITY:			BOISE
		STATE:			ID
		ZIP:			83728

	FORMER NAME:	
		FORMER CONFORMED NAME:	BOISE CASCADE CO
		DATE OF NAME CHANGE:	20050510

	FORMER NAME:	
		FORMER CONFORMED NAME:	BOISE CASCADE HOLDINGS, L.L.C.
		DATE OF NAME CHANGE:	20050210
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2013-11-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001328581</issuerCik>
        <issuerName>BOISE CASCADE Co</issuerName>
        <issuerTradingSymbol>BCC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001317436</rptOwnerCik>
            <rptOwnerName>BOISE CASCADE HOLDINGS, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1111 WEST JEFFERSON STREET, SUITE 300</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOISE</rptOwnerCity>
            <rptOwnerState>ID</rptOwnerState>
            <rptOwnerZipCode>83702</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2013-11-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>8050000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>21.60</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7785938</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represent shares of common stock of Boise Cascade Company sold in an underwritten secondary offering.</footnote>
    </footnotes>

    <remarks>Boise Cascade Holdings, L.L.C. (''BC Holdings&quot;) may be deemed a director by deputization as a result of Samuel M. Mencoff, a member of the limited partner committee of Madison Dearborn Partners IV, L.P. (&quot;MDP IV&quot;), and Thomas S. Souleles and Matthew W. Norton, employees of Madison Dearborn Partners, LLC (''MDP''), serving on the board of directors of Boise Cascade Company. Forest Products Holdings, L.L.C. (&quot;FPH&quot;) holds a majority of the voting common units of BC Holdings and has the right to appoint a majority of the members of the board of directors of BC Holdings. Madison Dearborn Capital Partners IV, L.P. (''MDCP IV'') is the controlling equityholder of FPH. MDP IV is the general partner of MDCP IV. MDP is the general partner of MDP IV. Paul J. Finnegan and Samuel M. Mencoff are the sole members of a limited partner committee of MDP IV that has the power to vote or dispose of the equity units held by MDCP IV.</remarks>

    <ownerSignature>
        <signatureName>by /s/ John T. Sahlberg, Senior Vice President, Human Resources and General Counsel</signatureName>
        <signatureDate>2013-11-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
