-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 D/8WRyk/ZeLARs2qiB4R2g0NSDZ6EAUsB1rDLBGpQ5Hi+kyymOY5gHphyj5fepZ2
 ZszSKm6KcRCVMpH9V+YLKQ==

<SEC-DOCUMENT>0001104659-10-033338.txt : 20100610
<SEC-HEADER>0001104659-10-033338.hdr.sgml : 20100610
<ACCEPTANCE-DATETIME>20100610163119
ACCESSION NUMBER:		0001104659-10-033338
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100604
FILED AS OF DATE:		20100610
DATE AS OF CHANGE:		20100610

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Rahman Muhit
		CENTRAL INDEX KEY:			0001327234

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33494
		FILM NUMBER:		10890657

	MAIL ADDRESS:	
		STREET 1:		8550 WILLOW RUN COURT
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45243

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>2010-06-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001327234</rptOwnerCik>
            <rptOwnerName>Rahman Muhit</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>8550 WILLOW RUN COURT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CINCINNATI</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>45243</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Former Director</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common</value>
            </securityTitle>
            <transactionDate>
                <value>2010-06-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.4815</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>438100</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common</value>
            </securityTitle>
            <transactionDate>
                <value>2010-06-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.1407</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>458100</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common</value>
            </securityTitle>
            <transactionDate>
                <value>2010-06-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.9408</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>468100</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person's purchases shown above were matchable under Section 16(b) of the Securities Exchange Act of 1934 with sales made by the reporting person within the six-month period prior to the reported purchases. The reporting person has agreed to pay to Kapstone Paper and Packaging Corporation $110,687.39, representing the full amount of the profit realized in connection with the short-swing transaction, less transaction costs</footnote>
        <footnote id="F2">The price is weighted average price. The reporting person will provide any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares purchased at each price within a range of $10.42 - $10.52.</footnote>
        <footnote id="F3">The price is weighted average price. The reporting person will provide any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares purchased at each price within a range of $10.05 - $10.20.</footnote>
        <footnote id="F4">The price is weighted average price. The reporting person will provide any security holder of the issuer, of the SEC staff, upon request, information regarding the number of shares purchased at each price within a range of $9.88 - $10.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Muhit Rahman by Power of Attorney</signatureName>
        <signatureDate>2010-06-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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