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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001104659-10-045856.txt : 20100825
<SEC-HEADER>0001104659-10-045856.hdr.sgml : 20100825
<ACCEPTANCE-DATETIME>20100825144333
ACCESSION NUMBER:		0001104659-10-045856
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100824
FILED AS OF DATE:		20100825
DATE AS OF CHANGE:		20100825

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PAULL MATTHEW H
		CENTRAL INDEX KEY:			0001179710

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33494
		FILM NUMBER:		101037474

	MAIL ADDRESS:	
		STREET 1:		MCDONALDS CORP
		STREET 2:		2915 JORIE BLVD
		CITY:			OAK BROOK
		STATE:			IL
		ZIP:			60523

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KAPSTONE PAPER & PACKAGING CORP
		CENTRAL INDEX KEY:			0001325281
		STANDARD INDUSTRIAL CLASSIFICATION:	PAPER MILLS [2621]
		IRS NUMBER:				202699372
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		C/O STONE-KAPLAN INVESTMENTS, LLC
		STREET 2:		ONE NORTHFIELD PLAZA, SUITE 480
		CITY:			NORTHFIELD
		STATE:			IL
		ZIP:			60093
		BUSINESS PHONE:		847-441-0929

	MAIL ADDRESS:	
		STREET 1:		C/O STONE-KAPLAN INVESTMENTS, LLC,
		STREET 2:		ONE NORTHFIELD PLAZA, SUITE 480
		CITY:			NORTHFIELD
		STATE:			IL
		ZIP:			60093

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KapStone Paper & Packaging CORP
		DATE OF NAME CHANGE:	20070104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Stone Arcade Acquisition CORP
		DATE OF NAME CHANGE:	20050428
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-08-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001325281</issuerCik>
        <issuerName>KAPSTONE PAPER &amp; PACKAGING CORP</issuerName>
        <issuerTradingSymbol>KS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001179710</rptOwnerCik>
            <rptOwnerName>PAULL MATTHEW H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1041 RIDGE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>UNIT 314</rptOwnerStreet2>
            <rptOwnerCity>WILMETTE</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60091</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-08-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.99</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Matthew H. Paull by Power of Attorney</signatureName>
        <signatureDate>2010-08-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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