<SEC-DOCUMENT>0000899243-22-004267.txt : 20220202
<SEC-HEADER>0000899243-22-004267.hdr.sgml : 20220202
<ACCEPTANCE-DATETIME>20220202212116
ACCESSION NUMBER:		0000899243-22-004267
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220127
FILED AS OF DATE:		20220202
DATE AS OF CHANGE:		20220202

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sestanovich Elizabeth
		CENTRAL INDEX KEY:			0001907093

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39331
		FILM NUMBER:		22586128

	MAIL ADDRESS:	
		STREET 1:		C/O TREBIA ACQUISITION CORP.
		STREET 2:		41 MADISON AVENUE, SUITE 2020
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10010

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			System1, Inc.
		CENTRAL INDEX KEY:			0001805833
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		IRS NUMBER:				981531250
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4235 REDWOOD AVENUE
		CITY:			MARINA DEL REY
		STATE:			CA
		ZIP:			90066
		BUSINESS PHONE:		310-924-6037

	MAIL ADDRESS:	
		STREET 1:		4235 REDWOOD AVENUE
		CITY:			MARINA DEL RAY
		STATE:			CA
		ZIP:			90066

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Trebia Acquisition Corp.
		DATE OF NAME CHANGE:	20200306
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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    <periodOfReport>2022-01-27</periodOfReport>

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    <issuer>
        <issuerCik>0001805833</issuerCik>
        <issuerName>System1, Inc.</issuerName>
        <issuerTradingSymbol>SST</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001907093</rptOwnerCik>
            <rptOwnerName>Sestanovich Elizabeth</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SYSTEM1, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>4235 REDWOOD AVENUE</rptOwnerStreet2>
            <rptOwnerCity>MARINA DEL REY</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90066</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief People Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-01-27</value>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>58841</value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
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                    <value>58841</value>
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                    <value>D</value>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class C Common Stock</value>
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                <value>2022-01-27</value>
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                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Units</value>
                <footnoteId id="F3"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F4"/>
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            <transactionDate>
                <value>2022-01-27</value>
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                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>208595</value>
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                <transactionPricePerShare>
                    <footnoteId id="F1"/>
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            <exerciseDate>
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            <expirationDate>
                <footnoteId id="F4"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
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                    <value>208595</value>
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    <footnotes>
        <footnote id="F1">Received in connection with the business combination (the &quot;Business Combination&quot;) among System1, Inc., (f/k/a Trebia Acquisition Corp., (the &quot;Company&quot;), S1 Holdco, LLC (&quot;S1 Holdco&quot;), Orchid Merger Sub I, Inc. (&quot;Merger Sub I&quot;), Orchid Merger Sub II, Inc. (&quot;Merger Sub II&quot; and, together with Merger Sub I, the &quot;Merger Subs&quot;), System1 SS Protect Holdings, Inc. (&quot;Protected&quot;) and the other parties signatory to that certain business combination agreement, dated as of June 28, 2021 (as amended November 30, 2021, January 10, 2022 and January 25, 2022).</footnote>
        <footnote id="F2">In connection with the Business Combination, one share of the Company's Class C common stock was issued for each Class B Unit (&quot;Common Unit&quot;) in S1 Holdco, LLC (&quot;S1 Holdco&quot;) held by the reporting person as of the closing of the Business Combination. Pursuant to the Fifth Amended and Restated Limited Liability Company Operating Agreement of S1 Holdco, in connection with the redemption of the Common Units (at the election of the holder), the corresponding shares of Class C common stock in the Company held by the reporting person are forfeited and cancelled, on a one-for-one basis, without consideration, for either shares of Class A Common Stock, or cash, at the Issuer's election.</footnote>
        <footnote id="F3">Represents Common Units of S1 Holdco, which are redeemable (in connection with the surrender and forfeiture of the corresponding shares of Class C common stock (See Footnote 2 above)) on a one-for-one basis for shares of the Company's Class A common stock, or, at the election of the Company, cash equal to the volume weighted average market price of a share of Class A Common Stock at the time of such redemption. The Common Units were acquired pursuant to a reclassification (exempt under Section 16b-7) and reorganization of the Company in connection with the Business Combination. Upon the closing of the Business Combination, the reporting person was issued one share of Class C Common Stock for each Common Unit held by the reporting person as of the closing. See Footnote 2 above.</footnote>
        <footnote id="F4">The Common Units are redeemable (in connection with the surrender and forfeiture of the corresponding shares of Class C common stock (See Footnote 2 above)) on a one-for-one basis for shares of the Company's Class A Common Stock, or, at the election of the Company, cash equal to the volume weighted average market price of a share of Class A Common Stock at the time of such redemption. The Common Units have no expiration date. Upon any redemption of Common Units, the corresponding share of Class C common stock held by the reporting person is automatically forfeited and cancelled at the time of such redemption of the Common Unit.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By: /s/ Daniel Weinrot, Attorney-in-Fact for Elizabeth Sestanovich</signatureName>
        <signatureDate>2022-02-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
