<SEC-DOCUMENT>0001209191-21-054130.txt : 20210831
<SEC-HEADER>0001209191-21-054130.hdr.sgml : 20210831
<ACCEPTANCE-DATETIME>20210831181406
ACCESSION NUMBER:		0001209191-21-054130
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210827
FILED AS OF DATE:		20210831
DATE AS OF CHANGE:		20210831

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Altos Ventures IV Liquidity Fund, L.P.
		CENTRAL INDEX KEY:			0001766317
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39763
		FILM NUMBER:		211228119

	BUSINESS ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 843-5000

	MAIL ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Altos Hybrid 2, L.P.
		CENTRAL INDEX KEY:			0001694364
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39763
		FILM NUMBER:		211228116

	BUSINESS ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 234-9771

	MAIL ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Altos Roblox SPV 2, LLC
		CENTRAL INDEX KEY:			0001747200
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39763
		FILM NUMBER:		211228114

	BUSINESS ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 843-5000

	MAIL ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Altos Roblox SPV 1, LLC
		CENTRAL INDEX KEY:			0001747201
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39763
		FILM NUMBER:		211228115

	BUSINESS ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 843-5000

	MAIL ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Altos Ventures IV Reserve Fund, L.P.
		CENTRAL INDEX KEY:			0001766268
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39763
		FILM NUMBER:		211228118

	BUSINESS ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 843-5000

	MAIL ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Altos Management Partners IV, LLC
		CENTRAL INDEX KEY:			0001848634
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39763
		FILM NUMBER:		211228120

	BUSINESS ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 843-5000

	MAIL ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Altos Roblox SPV 2020, LLC
		CENTRAL INDEX KEY:			0001803466
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39763
		FILM NUMBER:		211228113

	BUSINESS ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD
		STREET 2:		SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650-843-5000

	MAIL ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD
		STREET 2:		SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Altos Ventures IV, L.P.
		CENTRAL INDEX KEY:			0001833040
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39763
		FILM NUMBER:		211228121

	BUSINESS ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650 843 5000

	MAIL ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Nam Hodong
		CENTRAL INDEX KEY:			0001836648

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39763
		FILM NUMBER:		211228112

	MAIL ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Altos Hybrid 2 GP, LLC
		CENTRAL INDEX KEY:			0001848631
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39763
		FILM NUMBER:		211228117

	BUSINESS ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 843-5000

	MAIL ADDRESS:	
		STREET 1:		2882 SAND HILL ROAD, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

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>
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<SEQUENCE>1
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            <rptOwnerStreet2></rptOwnerStreet2>
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            <rptOwnerStreet2></rptOwnerStreet2>
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            <rptOwnerStreet2>SUITE 100</rptOwnerStreet2>
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    <reportingOwner>
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            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001848631</rptOwnerCik>
            <rptOwnerName>Altos Hybrid 2 GP, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2882 SAND HILL ROAD, SUITE 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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    <reportingOwner>
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            <rptOwnerCik>0001694364</rptOwnerCik>
            <rptOwnerName>Altos Hybrid 2, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2882 SAND HILL ROAD, SUITE 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001747201</rptOwnerCik>
            <rptOwnerName>Altos Roblox SPV 1, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2882 SAND HILL ROAD, SUITE 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
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            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001747200</rptOwnerCik>
            <rptOwnerName>Altos Roblox SPV 2, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2882 SAND HILL ROAD, SUITE 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isOfficer>0</isOfficer>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001803466</rptOwnerCik>
            <rptOwnerName>Altos Roblox SPV 2020, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2882 SAND HILL ROAD, SUITE 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
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            <isOther>0</isOther>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001836648</rptOwnerCik>
            <rptOwnerName>Nam Hodong</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2882 SAND HILL ROAD, SUITE 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
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            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-08-27</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>114136</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>361446</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20626812</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
                <value>2021-08-27</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
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                <value></value>
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            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
                    <value>0.00</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2885182</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F9"/>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
                <value>2021-08-27</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
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            <transactionTimeliness>
                <value></value>
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                <transactionShares>
                    <value>758069</value>
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                    <value>0.00</value>
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                    <value>D</value>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14353236</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
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                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F12"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>904003</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17176113</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F13"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-08-27</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F14"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1626272</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>30824871</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
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                    <value>See Footnotes</value>
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                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F15"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-08-27</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F16"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>35061</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>666244</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F17"/>
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            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-08-27</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F18"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>272237</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1286457</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F19"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-08-27</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F18"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>272237</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1286459</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Fortnotes</value>
                    <footnoteId id="F20"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>111112</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F21"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>67551</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F22"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>67551</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F23"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents a pro-rata in kind distribution of the Issuer's Class A Common Stock by Altos Hybrid 2, LP.</footnote>
        <footnote id="F2">These shares are held directly by Altos Hybrid 2, LP.</footnote>
        <footnote id="F3">The Managing Directors or Managing Members of the General Partners and the Managers of the Altos Funds are Anthony P. Lee, Han Kim and Hodong Nam who exercise investment and voting control over the shares held by the Altos Funds.   Anthony P. Lee, a director of the Issuer, files separate Section 16 reports.  Han Kim and Hodong Nam disclaim beneficial ownership of the shares held by the Altos Funds except to the extent of their respective pecuriary interest therein, if any.</footnote>
        <footnote id="F4">The General Partners and the Managers disclaim beneficial ownership of the shares reported herein except to the extent of their respective pecuniary interests therein, if any.</footnote>
        <footnote id="F5">The general partner of Altos Hybrid 2, L.P. is Altos Hybrid 2GP, LLC; the general partner of Altos Hybrid 4, L.P. is Altos Hybrid 4 GP, LLC; and the general partner of Altos Ventures IV Liquidity Fund, L.P., Altos Ventures IV Reserve Fund, L.P. and Altos Ventures IV, L.P. is Altos Management Partners IV, LLC (collectively, the General Partners).  The manager of Altos Roblox SPV 1, LLC and Altos Roblox SPV 2, LLC is Altos Roblox Management Partners IV, LLC; the manager of Altos Roblox SPV 2020, LLC is Altos Roblox 2020 Management Partners, LLC; the manager of Altos Hybrid 4 GS, LLC and Altos Hybrid HG, LLC is Altos Hybrid 4 GP, LLC; the manager of Altos Hybrid 2 V, LLC and Altos Hybrid 2 P-FIO, LLC is Altos Hybrid 2 GP, LLC; the manager of Altos Hybrid 3 B, LLC, Altos Hybrid 3M, LLC, and Altos Hybrid 3W, LLC is Altos Hybrid 3 GP, LLC; the manager of Altos Hybrid UP, LLC and Altos Hybrid CC, LLC is Altos Hybrid 4 GP, LLC (collectively, the Managers).</footnote>
        <footnote id="F6">Represents a pro-rata in kind distribution of the Issuer's Class A Common Stock by Altos Roblox SPV 1, LLC.</footnote>
        <footnote id="F7">These shares are held directly by Altos Roblox SPV 1, LLC.</footnote>
        <footnote id="F8">Represents a pro-rata in-kind distribution of the Issuer's Class A Common Stock by Altos Roblox SPV 2, LLC to its members.</footnote>
        <footnote id="F9">These shares are held directly by Altos Roblox SPV 2, LLC.</footnote>
        <footnote id="F10">Represents a pro-rata in kind distribution by Altos Roblox SPV 2020, LLC to it is members.</footnote>
        <footnote id="F11">These shares are held directly by Altos Roblox SPV 2020,LLC.</footnote>
        <footnote id="F12">Represents a pro-rata in-kind distribution of the Issuer's Class A Common Stock by Altos Ventures IV, L.P.</footnote>
        <footnote id="F13">These shares are held directly by Altos Ventures IV, L.P.</footnote>
        <footnote id="F14">Represents a pro-rata in kind distribution of the Issuer's Class A Common Stock by Altos Ventures IV Liquidity Fund, L.P.</footnote>
        <footnote id="F15">These shares are held directly by Altos Ventures IV Liquidity Fund, L.P.</footnote>
        <footnote id="F16">Represents a pro-rata in kind distribution of the Issuer's Class A Common Stock by Altos Ventures IV Reserve Fund, L.P.</footnote>
        <footnote id="F17">These shares are held directly by Altos Ventures IV Reserve Fund, L.P.</footnote>
        <footnote id="F18">Represents shares received in a pro-rata in kind distribution of shares of the Issuer's Class A Common Stock from Altos Hybrid 2, L.P., Altos Roblox SPV 1, LLC, Altos Roblox SPV 2, LLC, Altos Roblox SPV 2020, LLC, Altos Ventures IV, L.P., Altos Ventures IV Liquidity Fund, L.P. and Altos Ventures IV Reserve Fund, L.P.</footnote>
        <footnote id="F19">These shares are held directly by The Kim Trust for which Han Kim serves as trustee.  Mr. Kim disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F20">These shares are held directly by the Nam-MacGill 2006 Family Trust for which Hodong Nam serves as trustee.  Mr. Nam disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F21">These shares are held directly by Altos Hybrid 4, L.P.</footnote>
        <footnote id="F22">These shares are held directly by the Han Family Investments, LLC - Sub Fund No. 1 for which Han Kim serves as Managing Member.  Mr. Kim disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F23">These shares are held directly by the Nam-MacGill Investments, LLC - Sub Fund No. 1 for which Hodong Nam serves as Managing Member.  Mr. Nam disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>Form 4 1 of 2</remarks>

    <ownerSignature>
        <signatureName>/s/ Anthony P. Lee, Managing Director of Altos Management Partners IV, LLC, the general partner of Altos Ventures IV, L.P.</signatureName>
        <signatureDate>2021-08-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Anthony P. Lee, Managing Director of Altos Management Partners IV, LLC</signatureName>
        <signatureDate>2021-08-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Anthony P. Lee, Managing Director of Altos Management Partners IV, LLC, the general partner of Altos Ventures IV Liquidity Fund L.P.</signatureName>
        <signatureDate>2021-08-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Anthony P. Lee, Managing Director of Altos Management Partners IV, LLC, the general partner of Altos Ventures IV Reserve Fund, L.P.</signatureName>
        <signatureDate>2021-08-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Anthony P. Lee, Managing Director of Altos Hybrid 2 GP, LLC</signatureName>
        <signatureDate>2021-08-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Anthony P Lee, Managing Director of Altos Hybrid 2 GP, LLC, the general partner of Altos Hybrid 2, LP</signatureName>
        <signatureDate>2021-08-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Anthony P. Lee, Managing Director of Altos Roblox 2020 Management Partners, LLC, the manager of Altos Roblox SPV 1, LLC</signatureName>
        <signatureDate>2021-08-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Anthony P. Lee, Managing Director of Altos Roblox 2020 Management Partners, LLC, the manager of Altos Roblox SPV 2, LLC</signatureName>
        <signatureDate>2021-08-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Anthony P .Lee, Managing Director of Altos Roblox 2020 Management Partners LLC, the manager of Altos Roblox SPV 2020, LLC</signatureName>
        <signatureDate>2021-08-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Hodong Nam</signatureName>
        <signatureDate>2021-08-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
