<SEC-DOCUMENT>0001394221-20-000006.txt : 20200921
<SEC-HEADER>0001394221-20-000006.hdr.sgml : 20200921
<ACCEPTANCE-DATETIME>20200921201955
ACCESSION NUMBER:		0001394221-20-000006
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200918
FILED AS OF DATE:		20200921
DATE AS OF CHANGE:		20200921

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Argonaut Private Equity, L.L.C.
		CENTRAL INDEX KEY:			0001585937

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39510
		FILM NUMBER:		201187599

	BUSINESS ADDRESS:	
		STREET 1:		7030 S. YALE AVE.
		STREET 2:		SUITE 810
		CITY:			TULSA
		STATE:			OK
		ZIP:			74136
		BUSINESS PHONE:		918-494-0000

	MAIL ADDRESS:	
		STREET 1:		7030 S. YALE AVE.
		STREET 2:		SUITE 810
		CITY:			TULSA
		STATE:			OK
		ZIP:			74136

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Argonaut Holdings, L.L.C.
		CENTRAL INDEX KEY:			0001394221
		STATE OF INCORPORATION:			OK
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39510
		FILM NUMBER:		201187600

	BUSINESS ADDRESS:	
		STREET 1:		6733 S. YALE AVE.
		CITY:			TULSA
		STATE:			OK
		ZIP:			74136
		BUSINESS PHONE:		(918) 494-0000

	MAIL ADDRESS:	
		STREET 1:		6733 S. YALE AVE.
		CITY:			TULSA
		STATE:			OK
		ZIP:			74136

	FORMER NAME:	
		FORMER CONFORMED NAME:	Argonaut Holdings LLC
		DATE OF NAME CHANGE:	20070323

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KAISER GEORGE B
		CENTRAL INDEX KEY:			0001163432

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39510
		FILM NUMBER:		201187601

	MAIL ADDRESS:	
		STREET 1:		C/O FREDERIC DORWART, LAWYERS
		STREET 2:		124 EAST FOURTH STREET
		CITY:			TULSA
		STATE:			OK
		ZIP:			74103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mitchell Steven R
		CENTRAL INDEX KEY:			0001610279

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39510
		FILM NUMBER:		201187602

	MAIL ADDRESS:	
		STREET 1:		C/O ASPEN AEROGELS, INC.
		STREET 2:		30 FORBES ROAD, BUILDING B
		CITY:			NORTHBOROUGH
		STATE:			MA
		ZIP:			01532

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Waldo Robert
		CENTRAL INDEX KEY:			0001728668

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39510
		FILM NUMBER:		201187603

	MAIL ADDRESS:	
		STREET 1:		6733 S. YALE AVE.
		CITY:			TULSA,
		STATE:			OK
		ZIP:			74136

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			StepStone Group Inc.
		CENTRAL INDEX KEY:			0001796022
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		450 LEXINGTON AVENUE
		STREET 2:		31ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		1-212-351-6100

	MAIL ADDRESS:	
		STREET 1:		450 LEXINGTON AVENUE
		STREET 2:		31ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-09-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001796022</issuerCik>
        <issuerName>StepStone Group Inc.</issuerName>
        <issuerTradingSymbol>STEP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001585937</rptOwnerCik>
            <rptOwnerName>Argonaut Private Equity, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6733 S. YALE AVE.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TULSA</rptOwnerCity>
            <rptOwnerState>OK</rptOwnerState>
            <rptOwnerZipCode>74136</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
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            <isOfficer>0</isOfficer>
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            <isOther>0</isOther>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001394221</rptOwnerCik>
            <rptOwnerName>Argonaut Holdings, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6733 S. YALE AVE.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TULSA</rptOwnerCity>
            <rptOwnerState>OK</rptOwnerState>
            <rptOwnerZipCode>74136</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
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            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001163432</rptOwnerCik>
            <rptOwnerName>KAISER GEORGE B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O FREDERIC DORWART, LAWYERS</rptOwnerStreet1>
            <rptOwnerStreet2>124 EAST FOURTH STREET</rptOwnerStreet2>
            <rptOwnerCity>TULSA</rptOwnerCity>
            <rptOwnerState>OK</rptOwnerState>
            <rptOwnerZipCode>74103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001610279</rptOwnerCik>
            <rptOwnerName>Mitchell Steven R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STEPSTONE GROUP INC.</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE, 31ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001728668</rptOwnerCik>
            <rptOwnerName>Waldo Robert</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STEPSTONE GROUP INC.</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE, 31ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-09-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>62500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>62500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-09-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>62500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>62500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-09-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F4"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3830328</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6432858</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F5"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F6"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-09-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F4"/>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3830328</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F6"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3830328</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6432858</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents the purchase of shares of Class A Common Stock in the Issuer's initial public offering (&quot;IPO&quot;).</footnote>
        <footnote id="F2">These securities are held of record by Steven R. Mitchell. Each of Argonaut Private Equity, L.L.C., Argonaut Holdings, LLC, George Kaiser and Robert A. Waldo disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.</footnote>
        <footnote id="F3">These securities are held of record by Robert A. Waldo. Each of Argonaut Private Equity, L.L.C., Argonaut Holdings, LLC, George Kaiser and Steven R. Mitchell disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.</footnote>
        <footnote id="F4">Represents 3,830,328 Class B Units of StepStone Group LP (the &quot;Partnership&quot;) and a corresponding number of shares of Class B Common Stock transferred by Argonaut Holdings, LLC to the Issuer in connection with the closing of the IPO at a price of $18.00 for one Class B Unit and one share of Class B Common Stock.</footnote>
        <footnote id="F5">These securities are held of record by Argonaut Holdings, LLC. Argonaut Holdings, LLC is managed by Argonaut Private Equity, L.L.C. Steven R. Mitchell has a derivative interest in Argonaut Private Equity, L.L.C. Robert A. Waldo is a manager and Vice President of Argonaut Private Equity, L.L.C. and has a derivative interest therein. George B. Kaiser is the sole member of Argonaut Private Equity, L.L.C. Each of Steven R. Mitchell, Robert A. Waldo and George B. Kaiser disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities and Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any.</footnote>
        <footnote id="F6">The Class B Units of the Partnership are exchangeable, on a one-for-one basis, for shares of Class A Common Stock.  Upon exchange of a Class B Unit, the corresponding share of Class B Common Stock will be automatically redeemed and cancelled.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Argonaut Private Equity, L.L.C.; By /s/ Frederic Dorwart, Manager</signatureName>
        <signatureDate>2020-09-18</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Argonaut Holdings, LLC.; By Argonaut Private Equity, L.L.C., Manager; By /s/ Frederic Dorwart, Manager</signatureName>
        <signatureDate>2020-09-18</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Frederic Dorwart, Attorney-in-fact for George B. Kaiser</signatureName>
        <signatureDate>2020-09-18</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Jennifer Ishiguro, Attorney-in-fact for Steven R. Mitchell</signatureName>
        <signatureDate>2020-09-18</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Jennifer Ishiguro, Attorney-in-fact for Robert A. Waldo</signatureName>
        <signatureDate>2020-09-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
