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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AipdpuU0rzo9/qbC6r1Pvd8u0EP+UcBP5HNWjUr4Dr7Lw0dFCR57NDp2Y08bY+m7
 BEi2qFbHq8I+jXbMPFMPBw==

<SEC-DOCUMENT>0001104659-09-054188.txt : 20090911
<SEC-HEADER>0001104659-09-054188.hdr.sgml : 20090911
<ACCEPTANCE-DATETIME>20090911160816
ACCESSION NUMBER:		0001104659-09-054188
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090909
FILED AS OF DATE:		20090911
DATE AS OF CHANGE:		20090911

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Chapman John
		CENTRAL INDEX KEY:			0001327887

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33494
		FILM NUMBER:		091065510

	MAIL ADDRESS:	
		STREET 1:		62 LASALLE ROAD
		CITY:			WEST HARTFORD
		STATE:			CT
		ZIP:			06107

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>2009-09-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001327887</rptOwnerCik>
            <rptOwnerName>Chapman John</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>62 LASALLE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WEST HARTFORD</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06107</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common</value>
            </securityTitle>
            <transactionDate>
                <value>2009-09-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>50000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>7.3960</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>553928</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reported price represents a weighted average sales price. The range of prices at which common stock was sold was $7.34 to $7.4650 per share. The Reporting Person undertakes to provide to the staff, the issuer, or a security holder full information regarding the number of shares sold at each separate price.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>John Chapman by Power of Attorney</signatureName>
        <signatureDate>2009-09-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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