<SEC-DOCUMENT>0001104659-13-084910.txt : 20131114
<SEC-HEADER>0001104659-13-084910.hdr.sgml : 20131114
<ACCEPTANCE-DATETIME>20131114180348
ACCESSION NUMBER:		0001104659-13-084910
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:			SOULELES THOMAS S
		CENTRAL INDEX KEY:			0001245966

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35805
		FILM NUMBER:		131221820

	MAIL ADDRESS:	
		STREET 1:		THREE FIRST NATIONAL PLZ
		STREET 2:		SUITE 3800
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FOREST PRODUCTS HOLDINGS, L.L.C.
		CENTRAL INDEX KEY:			0001326831
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35805
		FILM NUMBER:		131221821

	BUSINESS ADDRESS:	
		STREET 1:		1111 WEST JEFFERSON STREET
		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
		STREET 2:		P. O. BOX 50
		CITY:			BOISE
		STATE:			ID
		ZIP:			83728

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MADISON DEARBORN CAPITAL PARTNERS IV LP
		CENTRAL INDEX KEY:			0001122443
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35805
		FILM NUMBER:		131221823

	BUSINESS ADDRESS:	
		STREET 1:		THREE FIRST NATIONAL PLAZA
		STREET 2:		STE 3800
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MADISON DEARBORN PARTNERS IV LP
		CENTRAL INDEX KEY:			0001249306
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35805
		FILM NUMBER:		131221824

	BUSINESS ADDRESS:	
		STREET 1:		THREE FIRST NATIONAL PLAZA STE 3800
		CITY:			CHICGO
		STATE:			IL
		ZIP:			60602
		BUSINESS PHONE:		3128951000

	MAIL ADDRESS:	
		STREET 1:		THREE FIRST NATIONAL PLAZA STE 3800
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MADISON DEARBORN PARTNERS LLC
		CENTRAL INDEX KEY:			0001181100
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35805
		FILM NUMBER:		131221825

	BUSINESS ADDRESS:	
		STREET 1:		THREE FIRST NATIONAL PLAZA
		STREET 2:		70 WEST MADISON STREET, SUITE 4600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602
		BUSINESS PHONE:		3128951000

	MAIL ADDRESS:	
		STREET 1:		THREE FIRST NATIONAL PLAZA
		STREET 2:		70 WEST MADISON STREET, SUITE 4600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FINNEGAN PAUL J
		CENTRAL INDEX KEY:			0001182031

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35805
		FILM NUMBER:		131221822

	MAIL ADDRESS:	
		STREET 1:		PO BOX 2000
		STREET 2:		3905 DAKOTA STREET SW
		CITY:			ALEXANDRIA
		STATE:			MN
		ZIP:			56308

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MENCOFF SAMUEL M
		CENTRAL INDEX KEY:			0001219630

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35805
		FILM NUMBER:		131221826

	MAIL ADDRESS:	
		STREET 1:		BUCKEYE TECHNOLOGIES INC
		STREET 2:		1001 TILLMAN STREET
		CITY:			MEMPHIS
		STATE:			TN
		ZIP:			38112
</SEC-HEADER>
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    <schemaVersion>X0306</schemaVersion>

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

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001219630</rptOwnerCik>
            <rptOwnerName>MENCOFF SAMUEL M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MADISON DEARBORN PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>70 W. MADISON STREET, SUITE 4600</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60602</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001245966</rptOwnerCik>
            <rptOwnerName>SOULELES THOMAS S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MADISON DEARBORN PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>70 W. MADISON STREET, SUITE 4600</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60602</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001181100</rptOwnerCik>
            <rptOwnerName>MADISON DEARBORN PARTNERS LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MADISON DEARBORN PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>70 W. MADISON STREET, SUITE 4600</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60602</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001249306</rptOwnerCik>
            <rptOwnerName>MADISON DEARBORN PARTNERS IV LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MADISON DEARBORN PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>70 W. MADISON STREET, SUITE 4600</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60602</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001122443</rptOwnerCik>
            <rptOwnerName>MADISON DEARBORN CAPITAL PARTNERS IV LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MADISON DEARBORN PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>70 W. MADISON STREET, SUITE 4600</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60602</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001182031</rptOwnerCik>
            <rptOwnerName>FINNEGAN PAUL J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MADISON DEARBORN PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>70 W. MADISON STREET, SUITE 4600</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60602</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001326831</rptOwnerCik>
            <rptOwnerName>FOREST PRODUCTS HOLDINGS, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MADISON DEARBORN PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>70 W. MADISON STREET, SUITE 4600</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60602</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</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>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represent shares of Boise Cascade Company common stock (&quot;Common Stock&quot;) sold in an underwritten secondary offering.</footnote>
        <footnote id="F2">Boise Cascade Holdings, L.L.C. (&quot;BC Holdings&quot;) is the record owner of the shares of Common Stock set forth herein. 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. Madison Dearborn Partners IV, L.P. (''MDP IV'') is the general partner of MDCP IV. Madison Dearborn Partners, LLC (''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 and are investors in MDP IV.  Thomas S. Souleles is a managing director of MDP.  Each of Messrs. Finnegan, Mencoff and Souleles are also investors in MDP IV and/or MDCP IV.</footnote>
        <footnote id="F3">Each of FPH, MDCP IV, MDP IV, MDP and Messrs. Finnegan, Mencoff and Souleles may be deemed to have an indirect pecuniary interest in the shares of common stock held of record by BC Holdings.  Each of the foregoing persons expressly disclaims beneficial ownership of the reported securities, except to the extent of such person's respective pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>Each of FPH, MDCP IV, MDP IV, MDP and Mr. Finnegan may be deemed a director by deputization as a result of Samuel M. Mencoff, Thomas S. Souleles and Matthew W. Norton, employees of MDP, serving on the board of directors of Boise Cascade Company.</remarks>

    <ownerSignature>
        <signatureName>Samuel M. Mencoff, by /s/ John T. Sahlberg, Attorney in Fact</signatureName>
        <signatureDate>2013-11-14</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Thomas S. Souleles, by /s/ John T. Sahlberg, Attorney in Fact</signatureName>
        <signatureDate>2013-11-14</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Forest Products Holdings, L.L.C., by /s/ John T. Sahlberg, Senior Vice President and General Counsel</signatureName>
        <signatureDate>2013-11-14</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Madison Dearborn Partners, LLC, by /s/ John T. Sahlberg, Attorney-in-Fact for Mark B. Tresnowski, Managing Director</signatureName>
        <signatureDate>2013-11-14</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Madison Dearborn Partners IV, L.P., by Madison Dearborn Partners, LLC, its General Partner, by /s/ John T. Sahlberg, Attorney-in-Fact for Mark B. Tresnowski, Managing Director</signatureName>
        <signatureDate>2013-11-14</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Madison Dearborn Capital Partners IV, L.P., by Madison Dearborn Partners IV, L.P., its General Partner, by Madison Dearborn Partners, LLC, its General Partner, by /s/ John T. Sahlberg, Attorney-in-Fact for Mark B. Tresnowski, Managing Director</signatureName>
        <signatureDate>2013-11-14</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Paul J. Finnegan, by /s/ John T. Sahlberg, Attorney-in-Fact</signatureName>
        <signatureDate>2013-11-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
