<SEC-DOCUMENT>0001192482-15-000195.txt : 20150513
<SEC-HEADER>0001192482-15-000195.hdr.sgml : 20150513
<ACCEPTANCE-DATETIME>20150513163147
ACCESSION NUMBER:		0001192482-15-000195
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150512
FILED AS OF DATE:		20150513
DATE AS OF CHANGE:		20150513

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLLEGIUM PHARMACEUTICAL, INC
		CENTRAL INDEX KEY:			0001267565
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		780 DEDHAM STREET, SUITE 800
		CITY:			CANTON
		STATE:			MA
		ZIP:			02021
		BUSINESS PHONE:		781-713-3699

	MAIL ADDRESS:	
		STREET 1:		780 DEDHAM STREET, SUITE 800
		CITY:			CANTON
		STATE:			MA
		ZIP:			02021

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLLEGIUM PHARMACEUTICAL INC
		DATE OF NAME CHANGE:	20031020

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Freund John Gordon
		CENTRAL INDEX KEY:			0001296771

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37372
		FILM NUMBER:		15858841

	MAIL ADDRESS:	
		STREET 1:		125 UNIVERSITY AVE.
		STREET 2:		C/O SKYLINE VENTURES
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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    <periodOfReport>2015-05-12</periodOfReport>

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        <issuerTradingSymbol>COLL</issuerTradingSymbol>
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            <rptOwnerStreet2>525 UNIVERSITY AVE.</rptOwnerStreet2>
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            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
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                <value>2015-05-12</value>
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                    <value>10714286</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F1"/>
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            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
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                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
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    <footnotes>
        <footnote id="F1">All series of Convertible Preferred Stock automatically converted into Collegium Pharmaceutical, Inc. common stock on a 1-for-6.9 basis immediately prior to the closing of the initial public offering and had no expiration date.</footnote>
        <footnote id="F2">Reflects the conversion of preferred stock into Collegium Pharmaceutical, Inc. common stock on a 1-for-6.9 basis which became effective on May 12, 2015.</footnote>
        <footnote id="F3">The shares are held by Skyline Venture Partners V, L.P. The general partner of Skyline Venture Partners V, L.P. is Skyline Venture Management V, LLC. John G. Freund and Yasunori Kaneko are managers of Skyline Venture Management V, LLC. These individuals share voting and investment power over the shares held by Skyline Venture Management, LLC.  Dr. Freund disclaims beneficial ownership of all the shares held by Skyline Venture Partners V, L.P. except to the extent of his proportionate pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Paul Brannelly as Attorney-In-Fact For John G. Freund, MD</signatureName>
        <signatureDate>2015-05-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
