<SEC-DOCUMENT>0001209191-18-031550.txt : 20180518
<SEC-HEADER>0001209191-18-031550.hdr.sgml : 20180518
<ACCEPTANCE-DATETIME>20180518180936
ACCESSION NUMBER:		0001209191-18-031550
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180516
FILED AS OF DATE:		20180518
DATE AS OF CHANGE:		20180518

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			O'Sullivan Michael J.
		CENTRAL INDEX KEY:			0001713777

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38017
		FILM NUMBER:		18847944

	MAIL ADDRESS:	
		STREET 1:		C/O SNAP INC.
		STREET 2:		63 MARKET ST.
		CITY:			VENICE
		STATE:			CA
		ZIP:			90291

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Snap Inc
		CENTRAL INDEX KEY:			0001564408
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		IRS NUMBER:				455452795
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		63 MARKET STREET
		CITY:			VENICE
		STATE:			CA
		ZIP:			90291
		BUSINESS PHONE:		(310) 399-3339

	MAIL ADDRESS:	
		STREET 1:		63 MARKET STREET
		CITY:			VENICE
		STATE:			CA
		ZIP:			90291

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Snapchat Inc
		DATE OF NAME CHANGE:	20121211
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-05-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001564408</issuerCik>
        <issuerName>Snap Inc</issuerName>
        <issuerTradingSymbol>SNAP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001713777</rptOwnerCik>
            <rptOwnerName>O'Sullivan Michael J.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SNAP INC.</rptOwnerStreet1>
            <rptOwnerStreet2>63 MARKET STREET</rptOwnerStreet2>
            <rptOwnerCity>VENICE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90291</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>General Counsel</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-05-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>9810</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.63</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1036311</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents the sale of shares to cover tax withholding obligations in connection with the settlement and release of restricted stock units (&quot;RSUs&quot;) granted by the issuer to the reporting person. Each RSU represents a contingent right to receive one share of issuer's Class A Common Stock.</footnote>
        <footnote id="F2">As reported on a Form 4 filed on September 8, 2017, the reporting person was granted 1,065,385 RSUs, of which 10% vest in equal quarterly installments during the first 12 months of continuous service from August 15, 2017; 20% vest in equal quarterly installments during the second 12-month period of reporting person's continuous service; 30% vest in equal quarterly installments during the third 12-month period of reporting person's continuous service; and 40% vest in equal quarterly installments during the fourth 12-month period of reporting person's continuous service.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Atul Porwal, Attorney-in-fact</signatureName>
        <signatureDate>2018-05-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
