<SEC-DOCUMENT>0001209191-21-053398.txt : 20210825
<SEC-HEADER>0001209191-21-053398.hdr.sgml : 20210825
<ACCEPTANCE-DATETIME>20210825205413
ACCESSION NUMBER:		0001209191-21-053398
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210823
FILED AS OF DATE:		20210825
DATE AS OF CHANGE:		20210825

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bronstein Manuel
		CENTRAL INDEX KEY:			0001847776

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39763
		FILM NUMBER:		211208554

	MAIL ADDRESS:	
		STREET 1:		970 PARK PLACE, SUITE 100
		CITY:			SAN MATEO
		STATE:			CA
		ZIP:			94403

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Roblox Corp
		CENTRAL INDEX KEY:			0001315098
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				200991664
		STATE OF INCORPORATION:			DE

	BUSINESS ADDRESS:	
		STREET 1:		970 PARK PLACE
		CITY:			SAN MATEO
		STATE:			CA
		ZIP:			94403
		BUSINESS PHONE:		(888) 858-2569

	MAIL ADDRESS:	
		STREET 1:		970 PARK PLACE
		CITY:			SAN MATEO
		STATE:			CA
		ZIP:			94403
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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    <periodOfReport>2021-08-23</periodOfReport>

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        <issuerName>Roblox Corp</issuerName>
        <issuerTradingSymbol>RBLX</issuerTradingSymbol>
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            <rptOwnerName>Bronstein Manuel</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ROBLOX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>970 PARK PLACE</rptOwnerStreet2>
            <rptOwnerCity>SAN MATEO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94403</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Product Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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                    <value>13071</value>
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                <transactionShares>
                    <value>2532</value>
                    <footnoteId id="F1"/>
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                    <value>85.0577</value>
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            </transactionDate>
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                <transactionCode>S</transactionCode>
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                <footnoteId id="F8"/>
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            </transactionTimeliness>
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                    <value>22284</value>
                </transactionShares>
                <transactionPricePerShare>
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        </nonDerivativeTransaction>
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            <securityTitle>
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            </transactionTimeliness>
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                <transactionShares>
                    <value>986</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>89.2355</value>
                    <footnoteId id="F10"/>
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                    <value>D</value>
                </transactionAcquiredDisposedCode>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
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            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F8"/>
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                <value></value>
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                    <value>1790</value>
                </transactionShares>
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                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
                    <value>789906</value>
                    <footnoteId id="F3"/>
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                <directOrIndirectOwnership>
                    <value>D</value>
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    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs).   This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a &quot;sell-to-cover&quot; transaction and does not represent a discretionary sale by the Reporting Person.</footnote>
        <footnote id="F2">The price reported in column 4 is an average price.  These shares were sold in multiple transactions at prices ranging from $80.92 to $81.91, inclusive.  The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F3">A portion of these securities are RSUs.   Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.</footnote>
        <footnote id="F4">The price reported in column 4 is an average price.  These shares were sold in multiple transactions at prices ranging from $81.92 to $82.90, inclusive.  The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F5">The price reported in column 4 is an average price.  These shares were sold in multiple transactions at prices ranging from $83.03 to $84.02, inclusive.  The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F6">The price reported in column 4 is an average price.  These shares were sold in multiple transactions at prices ranging from $84.03 to $85.02, inclusive.  The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F7">The price reported in column 4 is an average price.  These shares were sold in multiple transactions at prices ranging from $85.03 to $85.12, inclusive.  The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F8">The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on May 27, 2021.</footnote>
        <footnote id="F9">The price reported in column 4 is an average price.  These shares were sold in multiple transactions at prices ranging from $88.06 to $89.02, inclusive.  The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F10">The price reported in column 4 is an average price.  These shares were sold in multiple transactions at prices ranging from $89.11 to $89.40, inclusive.  The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Mark Reinstra Attorney-in-Fact for Manuel Bronstein</signatureName>
        <signatureDate>2021-08-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</DOCUMENT>
</SEC-DOCUMENT>
