<SEC-DOCUMENT>0001104659-17-070963.txt : 20171129
<SEC-HEADER>0001104659-17-070963.hdr.sgml : 20171129
<ACCEPTANCE-DATETIME>20171129160516
ACCESSION NUMBER:		0001104659-17-070963
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		<ITEMS>06b
FILED AS OF DATE:		20171129
DATE AS OF CHANGE:		20171129
EFFECTIVENESS DATE:		20171129

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LEAP THERAPEUTICS, INC.
		CENTRAL INDEX KEY:			0001509745
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				274412575
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-299736
		FILM NUMBER:		171228364

	BUSINESS ADDRESS:	
		STREET 1:		47 THORNDIKE STREET
		STREET 2:		SUITE B1-1
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
		BUSINESS PHONE:		617 252 4343

	MAIL ADDRESS:	
		STREET 1:		47 THORNDIKE STREET
		STREET 2:		SUITE B1-1
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Dekkun Corp
		DATE OF NAME CHANGE:	20110107
</SEC-HEADER>
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            <city>Cambridge</city>
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            <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Christopher</firstName>
                <lastName>Mirabelli</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
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                <street2>47 Thorndike Street, Suite B1-1</street2>
                <city>Cambridge</city>
                <stateOrCountry>MA</stateOrCountry>
                <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
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            <relatedPersonRelationshipList>
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                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
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        </relatedPersonInfo>
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                <firstName>Augustine</firstName>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Thomas</firstName>
                <lastName>Dietz</lastName>
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                <firstName>Nissim</firstName>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Biotechnology</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
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        <typeOfFiling>
            <newOrAmendment>
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        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
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        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
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        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
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        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>NONE</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Raymond James &amp; Associates, Inc.</associatedBDName>
                <associatedBDCRDNumber>705</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>227 Park Avenue, Suite 410</street1>
                    <city>New York</city>
                    <stateOrCountry>NY</stateOrCountry>
                    <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                    <zipCode>10172</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
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            <recipient>
                <recipientName>NONE</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Ladenburg Thalmann &amp; Co. Inc.</associatedBDName>
                <associatedBDCRDNumber>505</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>277 Park Avenue, 26th Floor</street1>
                    <city>New York</city>
                    <stateOrCountry>NY</stateOrCountry>
                    <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                    <zipCode>10172</zipCode>
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        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>18000001</totalOfferingAmount>
            <totalAmountSold>18000001</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>14</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>400000</dollarAmount>
            </salesCommissions>
            <findersFees>
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                <dollarAmount>0</dollarAmount>
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            <authorizedRepresentative>false</authorizedRepresentative>
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                <issuerName>LEAP THERAPEUTICS, INC.</issuerName>
                <signatureName>/s/ Christopher Mirabelli</signatureName>
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                <signatureDate>2017-11-29</signatureDate>
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