<SEC-DOCUMENT>0001295357-12-000001.txt : 20120509
<SEC-HEADER>0001295357-12-000001.hdr.sgml : 20120509
<ACCEPTANCE-DATETIME>20120509172157
ACCESSION NUMBER:		0001295357-12-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120507
FILED AS OF DATE:		20120509
DATE AS OF CHANGE:		20120509

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Gorman Michael B
		CENTRAL INDEX KEY:			0001483416

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34702
		FILM NUMBER:		12826787

	MAIL ADDRESS:	
		STREET 1:		10400 VIKING DRIVE
		STREET 2:		SUITE 550
		CITY:			EDEN PRAIRIE
		STATE:			MN
		ZIP:			55344

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SPS COMMERCE INC
		CENTRAL INDEX KEY:			0001092699
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				411593154

	BUSINESS ADDRESS:	
		STREET 1:		333 SOUTH SEVENTH STREET
		STREET 2:		SUITE 1000
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55402
		BUSINESS PHONE:		612-435-9400

	MAIL ADDRESS:	
		STREET 1:		333 SOUTH SEVENTH STREET
		STREET 2:		SUITE 1000
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55402
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0305</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-05-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001092699</issuerCik>
        <issuerName>SPS COMMERCE INC</issuerName>
        <issuerTradingSymbol>SPSC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001483416</rptOwnerCik>
            <rptOwnerName>Gorman Michael B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>10400 VIKING DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 550</rptOwnerStreet2>
            <rptOwnerCity>EDEN PRAIRIE</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55344</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>2012-05-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>932</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.754</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>433</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By SPVC Affiliates Fund I, LLC</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-05-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>19441</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9045</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By SPVC IV, LLC</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-05-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F5"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>31704</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14749</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By SPVC V, LLC</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-05-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F7"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>397923</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>185124</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By SPVC VI, LLC</value>
                    <footnoteId id="F8"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-05-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F9"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>30</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9283</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-05-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F10"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>576</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9859</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-05-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F11"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>9470</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19329</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price.  These shares were sold in two transactions: 910 shares were sold at a price per share of $27.75, and 22 shares were sold at a price per share of $27.92.</footnote>
        <footnote id="F2">Represents securities held directly by SPVC Affiliates Fund I, LLC, which is jointly managed by Split Rock Partners, LLC and Vesbridge Partners, LLC.  Voting and investment power over the shares, however, has been delegated solely to Split Rock Partners, LLC.  Split Rock Partners, LLC has delegated voting and investment decisions with respect to the shares to three individuals (one of whom is the reporting person) who require a two-thirds vote to act.  The reporting person may be deemed to be an indirect beneficial owner of the reported securities.  The reporting person disclaims any beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.  This report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.</footnote>
        <footnote id="F3">Represents a pro-rata distribution of Common Stock of the Issuer by SPVC IV, LLC without consideration to its members.</footnote>
        <footnote id="F4">Represents securities held directly by SPVC IV, LLC, which is jointly managed by Split Rock Partners, LLC and Vesbridge Partners, LLC.  Voting and investment power over the shares, however, has been delegated solely to Split Rock Partners, LLC.  Split Rock Partners, LLC has delegated voting and investment decisions with respect to the shares to three individuals (one of whom is the reporting person) who require a two-thirds vote to act.  The reporting person may be deemed to be an indirect beneficial owner of the reported securities.  The reporting person disclaims any beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.  This report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.</footnote>
        <footnote id="F5">Represents a pro-rata distribution of Common Stock of the Issuer by SPVC V, LLC without consideration to its members.</footnote>
        <footnote id="F6">Represents securities held directly by SPVC V, LLC, which is jointly managed by Split Rock Partners, LLC and Vesbridge Partners, LLC.  Voting and investment power over the shares, however, has been delegated solely to Split Rock Partners, LLC.  Split Rock Partners, LLC has delegated voting and investment decisions with respect to the shares to three individuals (one of whom is the reporting person) who require a two-thirds vote to act.  The reporting person may be deemed to be an indirect beneficial owner of the reported securities.  The reporting person disclaims any beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.  This report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.</footnote>
        <footnote id="F7">Represents a pro-rata distribution of Common Stock of the Issuer by SPVC VI, LLC without consideration to its members.</footnote>
        <footnote id="F8">Represents securities held directly by SPVC VI, LLC, which is jointly managed by Split Rock Partners, LLC and Vesbridge Partners, LLC.  Voting and investment power over the shares, however, has been delegated solely to Split Rock Partners, LLC.  Split Rock Partners, LLC has delegated voting and investment decisions with respect to the shares to three individuals (one of whom is the reporting person) who require a two-thirds vote to act.  The reporting person may be deemed to be an indirect beneficial owner of the reported securities.  The reporting person disclaims any beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.  This report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.</footnote>
        <footnote id="F9">Represents receipt of a pro-rata distribution of Common Stock of the Issuer by SPVC IV, LLC without consideration to its members.</footnote>
        <footnote id="F10">Represents receipt of a pro-rata distribution of Common Stock of the Issuer by SPVC V, LLC without consideration to its members.</footnote>
        <footnote id="F11">Represents receipt of a pro-rata distribution of Common Stock of the Issuer by SPVC VI, LLC without consideration to its members, and an immediate subsequent pro-rata distribution by one of the members of SPVC VI, LLC without consideration to its members.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Lisa L. Corbin at Attorney-in-Fact for Michael B. Gorman</signatureName>
        <signatureDate>2012-05-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
