<SEC-DOCUMENT>0001209191-17-062350.txt : 20171122
<SEC-HEADER>0001209191-17-062350.hdr.sgml : 20171122
<ACCEPTANCE-DATETIME>20171122161931
ACCESSION NUMBER:		0001209191-17-062350
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171121
FILED AS OF DATE:		20171122
DATE AS OF CHANGE:		20171122

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BASELINE VENTURES 2009 LLC
		CENTRAL INDEX KEY:			0001453518
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38291
		FILM NUMBER:		171220134

	BUSINESS ADDRESS:	
		STREET 1:		1557 Francisco Street
		CITY:			San Francisco
		STATE:			CA
		ZIP:			94123
		BUSINESS PHONE:		206-799-4389

	MAIL ADDRESS:	
		STREET 1:		1557 Francisco Street
		CITY:			San Francisco
		STATE:			CA
		ZIP:			94123

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BASELINE ENCORE, L.P.
		CENTRAL INDEX KEY:			0001607379
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38291
		FILM NUMBER:		171220132

	BUSINESS ADDRESS:	
		STREET 1:		1800 FILBERT STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94123
		BUSINESS PHONE:		415-722-1224

	MAIL ADDRESS:	
		STREET 1:		1800 FILBERT STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94123

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Baseline Cable Car, LLC
		CENTRAL INDEX KEY:			0001718688
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38291
		FILM NUMBER:		171220133

	BUSINESS ADDRESS:	
		STREET 1:		C/O BASELINE VENTURES
		STREET 2:		1800 FILBERT STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94123
		BUSINESS PHONE:		831-261-3434

	MAIL ADDRESS:	
		STREET 1:		C/O BASELINE VENTURES
		STREET 2:		1800 FILBERT STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94123

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Baseline Encore Associates, LLC
		CENTRAL INDEX KEY:			0001718696
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38291
		FILM NUMBER:		171220130

	BUSINESS ADDRESS:	
		STREET 1:		C/O BASELINE VENTURES
		STREET 2:		1800 FILBERT STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94123
		BUSINESS PHONE:		831-261-3434

	MAIL ADDRESS:	
		STREET 1:		C/O BASELINE VENTURES
		STREET 2:		1800 FILBERT STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94123

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Baseline Increased Exposure Fund Associates, LLC
		CENTRAL INDEX KEY:			0001718682
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38291
		FILM NUMBER:		171220129

	BUSINESS ADDRESS:	
		STREET 1:		C/O BASELINE VENTURE
		STREET 2:		1800 FILBERT STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94123
		BUSINESS PHONE:		831-261-3434

	MAIL ADDRESS:	
		STREET 1:		C/O BASELINE VENTURE
		STREET 2:		1800 FILBERT STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94123

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Baseline Ventures 2009 Associates, LLC
		CENTRAL INDEX KEY:			0001718679
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38291
		FILM NUMBER:		171220128

	BUSINESS ADDRESS:	
		STREET 1:		C/O BASELINE VENTURES
		STREET 2:		1800 FILBERT STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94123
		BUSINESS PHONE:		831-261-3434

	MAIL ADDRESS:	
		STREET 1:		C/O BASELINE VENTURES
		STREET 2:		1800 FILBERT STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94123

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Baseline Increased Exposure Fund, LLC
		CENTRAL INDEX KEY:			0001531967
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38291
		FILM NUMBER:		171220131

	BUSINESS ADDRESS:	
		STREET 1:		1800 FILBERT STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94123
		BUSINESS PHONE:		206-799-4389

	MAIL ADDRESS:	
		STREET 1:		1800 FILBERT STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94123

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Stitch Fix, Inc.
		CENTRAL INDEX KEY:			0001576942
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-CATALOG & MAIL-ORDER HOUSES [5961]
		IRS NUMBER:				275026540
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0731

	BUSINESS ADDRESS:	
		STREET 1:		1 MONTGOMERY STREET
		STREET 2:		SUITE 1500
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		415-882-7765

	MAIL ADDRESS:	
		STREET 1:		1 MONTGOMERY STREET
		STREET 2:		SUITE 1500
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
</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>2017-11-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001576942</issuerCik>
        <issuerName>Stitch Fix, Inc.</issuerName>
        <issuerTradingSymbol>SFIX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001453518</rptOwnerCik>
            <rptOwnerName>BASELINE VENTURES 2009 LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BASELINE VENTURES</rptOwnerStreet1>
            <rptOwnerStreet2>42 SHADY LANE</rptOwnerStreet2>
            <rptOwnerCity>ROSS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94957</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001718688</rptOwnerCik>
            <rptOwnerName>Baseline Cable Car, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BASELINE VENTURES</rptOwnerStreet1>
            <rptOwnerStreet2>42 SHADY LANE</rptOwnerStreet2>
            <rptOwnerCity>ROSS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94957</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001607379</rptOwnerCik>
            <rptOwnerName>BASELINE ENCORE, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BASELINE VENTURES</rptOwnerStreet1>
            <rptOwnerStreet2>42 SHADY LANE</rptOwnerStreet2>
            <rptOwnerCity>ROSS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94957</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001531967</rptOwnerCik>
            <rptOwnerName>Baseline Increased Exposure Fund, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BASELINE VENTURES</rptOwnerStreet1>
            <rptOwnerStreet2>42 SHADY LANE</rptOwnerStreet2>
            <rptOwnerCity>ROSS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94957</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001718696</rptOwnerCik>
            <rptOwnerName>Baseline Encore Associates, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BASELINE VENTURES</rptOwnerStreet1>
            <rptOwnerStreet2>42 SHADY LANE</rptOwnerStreet2>
            <rptOwnerCity>ROSS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94957</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001718682</rptOwnerCik>
            <rptOwnerName>Baseline Increased Exposure Fund Associates, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BASELINE VENTURES</rptOwnerStreet1>
            <rptOwnerStreet2>42 SHADY LANE</rptOwnerStreet2>
            <rptOwnerCity>ROSS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94957</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001718679</rptOwnerCik>
            <rptOwnerName>Baseline Ventures 2009 Associates, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BASELINE VENTURES</rptOwnerStreet1>
            <rptOwnerStreet2>42 SHADY LANE</rptOwnerStreet2>
            <rptOwnerCity>ROSS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94957</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Series Seed Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-11-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7035655</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7035655</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Series A Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-11-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2650645</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2650645</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Series A-1 Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-11-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6247395</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6247395</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Series B Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-11-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6065120</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6065120</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Series C Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-11-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2271860</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2271860</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F5"/>
                <footnoteId id="F6"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-11-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>24270675</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F5"/>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F7"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>24270675</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>24622309</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F8"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each share of Series Seed Preferred, Stock Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock and Series C Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.</footnote>
        <footnote id="F2">The shares were held by Baseline Ventures 2009, LLC (&quot;BV 2009&quot;). Baseline Ventures 2009 Associates, LLC (&quot;BVA 2009&quot;) is the general partner of BV 2009. Steven Anderson is the sole member of BVA 2009 and has separately filed a Form 4.</footnote>
        <footnote id="F3">The shares were held by Baseline Increased Exposure Fund, LLC (&quot;BIE&quot;). Baseline Increased Exposure Fund Associates, LLC (&quot;BIEA&quot;) is the general partner of BIE. Steven Anderson is the sole member of BIEA.</footnote>
        <footnote id="F4">The shares were held as follows: 228,605 by Baseline Cable Car, LLC (&quot;BCC&quot;), 85,000 by Baseline Encore, L.P. (&quot;BE&quot;), 1,734,035 by BIE and 224,220 by BV 2009.  Baseline Encore Associates, LLC (&quot;BEA&quot;) is the general partner of BE. Steven Anderson is the sole member of BCC and BEA.</footnote>
        <footnote id="F5">Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A
Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock  represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.</footnote>
        <footnote id="F6">In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of the death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.</footnote>
        <footnote id="F7">Not applicable.</footnote>
        <footnote id="F8">The shares are held as follows: 277,911 by BCC, 265,400 by BE, 7,921,083 by BIE and 16,157,915 by BV. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of its pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By Steven Anderson sole member of Baseline Ventures 2009 Associates, LLC
the general partner of Baseline Ventures 2009, LLC /s/ Steven Anderson</signatureName>
        <signatureDate>2017-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By Steven Anderson sole member of Baseline Cable Car , LLC /s/ Steven Anderson</signatureName>
        <signatureDate>2017-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By Steven Anderson sole member of Baseline Encore L.P., LLC the general partner of Baseline Encore, LLC /s/ Steven Anderson</signatureName>
        <signatureDate>2017-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By Steven Anderson sole member of Baseline Increased Exposure Fund Associates, LLC the general partner of Baseline Increased Exposure Fund, LLC /s/ Steven Anderson</signatureName>
        <signatureDate>2017-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By Steven Anderson sole member of Baseline Encore Associates, LLC /s/ Steven Anderson</signatureName>
        <signatureDate>2017-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By Steven Anderson sole member of Baseline Increased Exposure Fund Associates, LLC /s/ Steven Anderson</signatureName>
        <signatureDate>2017-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By Steven Anderson sole member of Baseline Ventures 2009 Associates, LLC /s/ Steven Anderson</signatureName>
        <signatureDate>2017-11-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
