<SEC-DOCUMENT>0001209191-18-029614.txt : 20180511
<SEC-HEADER>0001209191-18-029614.hdr.sgml : 20180511
<ACCEPTANCE-DATETIME>20180511170023
ACCESSION NUMBER:		0001209191-18-029614
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180510
FILED AS OF DATE:		20180511
DATE AS OF CHANGE:		20180511

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NEA PARTNERS 10 L P
		CENTRAL INDEX KEY:			0001236049
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36177
		FILM NUMBER:		18827724

	BUSINESS ADDRESS:	
		STREET 1:		1119 ST PAUL STREET
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21202
		BUSINESS PHONE:		4102440115

	MAIL ADDRESS:	
		STREET 1:		1119 ST PAUL STREET
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21202

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NEW ENTERPRISE ASSOCIATES 10 L P
		CENTRAL INDEX KEY:			0001132326
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36177
		FILM NUMBER:		18827725

	BUSINESS ADDRESS:	
		STREET 1:		1119 ST PAUL STREET
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21202
		BUSINESS PHONE:		4102440115

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GLYCOMIMETICS INC
		CENTRAL INDEX KEY:			0001253689
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		9708 MEDICAL CENTER DRIVE
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850
		BUSINESS PHONE:		240-243-1201

	MAIL ADDRESS:	
		STREET 1:		9708 MEDICAL CENTER DRIVE
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850
</SEC-HEADER>
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        <issuerName>GLYCOMIMETICS INC</issuerName>
        <issuerTradingSymbol>GLYC</issuerTradingSymbol>
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            <rptOwnerName>NEW ENTERPRISE ASSOCIATES 10 L P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1954 GREENSPRING DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 600</rptOwnerStreet2>
            <rptOwnerCity>TIMONIUM</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
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    <reportingOwner>
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            <rptOwnerStreet1>1954 GREENSPRING DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 600</rptOwnerStreet2>
            <rptOwnerCity>TIMONIUM</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21093</rptOwnerZipCode>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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                <value>2018-05-10</value>
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            <transactionTimeliness>
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                <transactionPricePerShare>
                    <value>17.81</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                <sharesOwnedFollowingTransaction>
                    <value>4995664</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </nonDerivativeTransaction>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Warrant to Purchase Common Stock (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.33</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-05-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>X</transactionCode>
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                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>216046</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2008-07-03</value>
            </exerciseDate>
            <expirationDate>
                <value>2018-07-03</value>
            </expirationDate>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                    <value>216046</value>
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                <transactionCode>X</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <value></value>
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                <transactionShares>
                    <value>298406</value>
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                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <value>2009-01-16</value>
            </exerciseDate>
            <expirationDate>
                <value>2019-01-16</value>
            </expirationDate>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                    <value>298406</value>
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    <footnotes>
        <footnote id="F1">The shares are directly held by New Enterprise Associates 10, Limited Partnership (&quot;NEA 10&quot;) and indirectly held by NEA Partners 10, Limited Partnership (&quot;NEA Partners 10&quot;), the sole general partner of NEA 10, and the individual general partners of NEA Partners 10 (NEA Partners 10 and its individual general partners together, the &quot;Indirect Reporting Persons&quot;). The individual general partners of NEA Partners 10 are Peter J. Barris, M. James Barrett and Scott D. Sandell. Each Indirect Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 10 shares in which such Indirect Reporting Person has no pecuniary interest.</footnote>
        <footnote id="F2">On May 10, 2018, NEA 10 exercised warrants to purchase a total of 216,046 shares of the Issuer's common stock for $0.33 a share.  NEA 10 paid the exercise price on a cashless basis, resulting in the Issuer's withholding of 4,006 of the warrant shares to pay the exercise price and issuing 212,040  shares to NEA 10.  The Issuer also paid cash to NEA 10 in lieu of any fractional shares to be issued upon exercise of the warrants.</footnote>
        <footnote id="F3">On May 10, 2018, NEA 10 exercised warrants to purchase a total of 298,406 shares of the Issuer's common stock for $0.33 a share. NEA 10 paid the exercise price on a cashless basis, resulting in the Issuer's withholding of 5,533 of the warrant shares to pay the exercise price and issuing 292,873 shares to NEA 10. The Issuer also paid cash to NEA 10 in lieu of any fractional shares to be issued upon exercise of the warrants.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Sasha Keough, attorney-in-fact</signatureName>
        <signatureDate>2018-05-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
