<SEC-DOCUMENT>0000899243-16-032591.txt : 20161102
<SEC-HEADER>0000899243-16-032591.hdr.sgml : 20161102
<ACCEPTANCE-DATETIME>20161102142912
ACCESSION NUMBER:		0000899243-16-032591
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20161102
FILED AS OF DATE:		20161102
DATE AS OF CHANGE:		20161102

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKLINE, INC.
		CENTRAL INDEX KEY:			0001666134
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				463354276
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		21300 VICTORY BOULEVARD
		STREET 2:		12TH FLOOR
		CITY:			WOODLAND HILLS
		STATE:			CA
		ZIP:			91367
		BUSINESS PHONE:		818-223-9008

	MAIL ADDRESS:	
		STREET 1:		21300 VICTORY BOULEVARD
		STREET 2:		12TH FLOOR
		CITY:			WOODLAND HILLS
		STATE:			CA
		ZIP:			91367

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ICONIQ Strategic Partners GP, L.P.
		CENTRAL INDEX KEY:			0001688390
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37924
		FILM NUMBER:		161967441

	BUSINESS ADDRESS:	
		STREET 1:		394 PACIFIC AVENUE, 2ND FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
		BUSINESS PHONE:		415-967-7763

	MAIL ADDRESS:	
		STREET 1:		394 PACIFIC AVENUE, 2ND FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Makan Divesh
		CENTRAL INDEX KEY:			0001688143

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37924
		FILM NUMBER:		161967442

	MAIL ADDRESS:	
		STREET 1:		C/O ICONIQ CAPITAL
		STREET 2:		394 PACIFIC AVENUE, 2ND FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ICONIQ Strategic Partners TT GP, Ltd.
		CENTRAL INDEX KEY:			0001688389
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37924
		FILM NUMBER:		161967443

	BUSINESS ADDRESS:	
		STREET 1:		394 PACIFIC AVENUE, 2ND FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
		BUSINESS PHONE:		415-967-7763

	MAIL ADDRESS:	
		STREET 1:		394 PACIFIC AVENUE, 2ND FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ICONIQ Strategic Partners-B, L.P.
		CENTRAL INDEX KEY:			0001584545
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37924
		FILM NUMBER:		161967444

	BUSINESS ADDRESS:	
		STREET 1:		394 PACIFIC AVENUE
		STREET 2:		SECOND FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
		BUSINESS PHONE:		415-675-8074

	MAIL ADDRESS:	
		STREET 1:		394 PACIFIC AVENUE
		STREET 2:		SECOND FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ICONIQ Strategic Partners, L.P.
		CENTRAL INDEX KEY:			0001575779
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37924
		FILM NUMBER:		161967445

	BUSINESS ADDRESS:	
		STREET 1:		394 PACIFIC AVE.
		STREET 2:		2ND FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
		BUSINESS PHONE:		415-967-7485

	MAIL ADDRESS:	
		STREET 1:		394 PACIFIC AVE.
		STREET 2:		2ND FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111

	FORMER NAME:	
		FORMER CONFORMED NAME:	ICONIQ Strategic Partners, l.P.
		DATE OF NAME CHANGE:	20130501
</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>2016-11-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001666134</issuerCik>
        <issuerName>BLACKLINE, INC.</issuerName>
        <issuerTradingSymbol>BL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001575779</rptOwnerCik>
            <rptOwnerName>ICONIQ Strategic Partners, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ICONIQ STRATEGIC PARTNERS</rptOwnerStreet1>
            <rptOwnerStreet2>394 PACIFIC AVENUE, 2ND FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001584545</rptOwnerCik>
            <rptOwnerName>ICONIQ Strategic Partners-B, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ICONIQ STRATEGIC PARTNERS</rptOwnerStreet1>
            <rptOwnerStreet2>394 PACIFIC AVENUE, 2ND FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001688390</rptOwnerCik>
            <rptOwnerName>ICONIQ Strategic Partners GP, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ICONIQ STRATEGIC PARTNERS</rptOwnerStreet1>
            <rptOwnerStreet2>394 PACIFIC AVENUE, 2ND FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001688389</rptOwnerCik>
            <rptOwnerName>ICONIQ Strategic Partners TT GP, Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ICONIQ STRATEGIC PARTNERS</rptOwnerStreet1>
            <rptOwnerStreet2>394 PACIFIC AVENUE, 2ND FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001688143</rptOwnerCik>
            <rptOwnerName>Makan Divesh</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ICONIQ STRATEGIC PARTNERS</rptOwnerStreet1>
            <rptOwnerStreet2>394 PACIFIC AVENUE, 2ND FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-11-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>659483</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6367008</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-11-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>165517</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1597991</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10253570</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F5"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">ICONIQ Strategic Partners, L.P. (&quot;ICONIQ&quot;) is the direct owner of these securities.</footnote>
        <footnote id="F2">ICONIQ Strategic Partners-B, L.P. (&quot;ICONIQ B&quot;) is the direct owner of these securities.</footnote>
        <footnote id="F3">Iconiq Strategic Partners GP, L.P. (&quot;ICONIQ GP&quot;) is the sole general partner of each of ICONIQ, ICONIQ B, ICONIQ Strategic Partners Co-Invest, L.P., BL Series (&quot;ICONIQ BL&quot;) and ICONIQ Strategic Partners Co-Invest, L.P., BL2 Series (&quot;ICONIQ BL2&quot;) (collectively, the &quot;Funds&quot;). ICONIQ Strategic Partners TT GP, Ltd. (the &quot;ICONIQ Parent GP&quot;) is the sole general partner of ICONIQ GP. Divesh Makan (&quot;Makan&quot;) is an equity holder and director of ICONIQ Parent GP.</footnote>
        <footnote id="F4">Each of ICONIQ GP, ICONIQ Parent GP and Makan disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the &quot;Exchange Act&quot;), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.</footnote>
        <footnote id="F5">This number represents shares held by ICONIQ (6,367,008), ICONIQ B (1,597,991), ICONIQ BL (2,000,000), and ICONIQ BL2 (288,571) respectively. Each of ICONIQ GP, ICONIQ Parent GP and Makan disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>ICONIQ Strategic Partners, L.P., by ICONIQ Strategic Partners GP, L.P., its general partner, by ICONIQ Strategic Partners TT GP, Ltd., its general partner, by Kevin Foster, its Senior Vice President, /s/ Kevin Foster</signatureName>
        <signatureDate>2016-11-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ICONIQ Strategic Partners-B, L.P., by ICONIQ Strategic Partners GP, L.P., its general partner, by ICONIQ Strategic Partners TT GP, Ltd., its general partner, by Kevin Foster, its Senior Vice President, /s/ Kevin Foster</signatureName>
        <signatureDate>2016-11-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ICONIQ Strategic Partners GP, L.P., by ICONIQ Strategic Partners TT GP, Ltd., its general partner, by Kevin Foster, its Senior Vice President, /s/ Kevin Foster</signatureName>
        <signatureDate>2016-11-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ICONIQ Strategic Partners TT GP, Ltd., by Kevin Foster, its Senior Vice President, /s/ Kevin Foster</signatureName>
        <signatureDate>2016-11-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Divesh Makan, /s/ Divesh Makan</signatureName>
        <signatureDate>2016-11-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
