<SEC-DOCUMENT>0000899243-20-025608.txt : 20200917
<SEC-HEADER>0000899243-20-025608.hdr.sgml : 20200917
<ACCEPTANCE-DATETIME>20200917210353
ACCESSION NUMBER:		0000899243-20-025608
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200917
FILED AS OF DATE:		20200917
DATE AS OF CHANGE:		20200917

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BOTHA ROELOF
		CENTRAL INDEX KEY:			0001222287

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39497
		FILM NUMBER:		201182555

	MAIL ADDRESS:	
		STREET 1:		C/O SEQUOIA CAPITAL
		STREET 2:		2800 SAND HILL RD, SUITE 101
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Unity Software Inc.
		CENTRAL INDEX KEY:			0001810806
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				270334803
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		30 - 3RD STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94103
		BUSINESS PHONE:		415-539-3162

	MAIL ADDRESS:	
		STREET 1:		30 - 3RD STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94103
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
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    <periodOfReport>2020-09-17</periodOfReport>

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        <issuerCik>0001810806</issuerCik>
        <issuerName>Unity Software Inc.</issuerName>
        <issuerTradingSymbol>U</issuerTradingSymbol>
    </issuer>

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            <rptOwnerName>BOTHA ROELOF</rptOwnerName>
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            <rptOwnerStreet1>2800 SAND HILL ROAD, SUITE 101</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
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    <nonDerivativeTable>
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            </underlyingSecurity>
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                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
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                    <value>Sequoia Capital XII, L.P.</value>
                    <footnoteId id="F2"/>
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                    <value>709810</value>
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            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
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                    <value>Sequoia Technology Partners XII, L.P.</value>
                    <footnoteId id="F2"/>
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        </derivativeHolding>
        <derivativeHolding>
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                <footnoteId id="F1"/>
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                <underlyingSecurityTitle>
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                    <value>2005056</value>
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                <directOrIndirectOwnership>
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        <derivativeHolding>
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                <directOrIndirectOwnership>
                    <value>I</value>
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        </derivativeHolding>
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                <directOrIndirectOwnership>
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        </derivativeHolding>
        <derivativeHolding>
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        </derivativeHolding>
        <derivativeHolding>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Series D-1 Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
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                <footnoteId id="F1"/>
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                <footnoteId id="F1"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>5730132</value>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
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                    <value>Sequoia Capital Global Growth Fund III - Endurance Partners, L.P.</value>
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                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Series E Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
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            <expirationDate>
                <footnoteId id="F1"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                    <value>4351309</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Sequoia Capital Global Growth Fund III - Endurance Partners, L.P.</value>
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    <footnotes>
        <footnote id="F1">The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock are convertible into shares of common stock on a 1:1 basis and have no expiration date. Immediately prior to the consummation of the Issuer's initial public offering, all shares of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock will automatically convert into shares of common stock of the Issuer.</footnote>
        <footnote id="F2">The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).</footnote>
        <footnote id="F3">(Continued from Footnote 2) SC XII Management, LLC is a general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). Voting and disposition decisions at SC US (TTGP), Ltd. with respect to the shares held by the GGFIII are made by an investment committee that includes the Reporting Person. The Reporting Person disclaims beneficial ownership of the securities included in this report, except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jung Yeon Son, Attorney-in-fact for Roelof Botha</signatureName>
        <signatureDate>2020-09-17</signatureDate>
    </ownerSignature>
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</DOCUMENT>
</SEC-DOCUMENT>
