<SEC-DOCUMENT>0000919574-13-006818.txt : 20131127
<SEC-HEADER>0000919574-13-006818.hdr.sgml : 20131127
<ACCEPTANCE-DATETIME>20131127125019
ACCESSION NUMBER:		0000919574-13-006818
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20131122
FILED AS OF DATE:		20131127
DATE AS OF CHANGE:		20131127

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADHEREX TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001211583
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				000000000

	BUSINESS ADDRESS:	
		STREET 1:		4620 CREEKSTONE DRIVE
		STREET 2:		SUITE 200
		CITY:			DURHAM
		STATE:			NC
		ZIP:			27703
		BUSINESS PHONE:		919-484-8484

	MAIL ADDRESS:	
		STREET 1:		4620 CREEKSTONE DRIVE
		STREET 2:		SUITE 200
		CITY:			DURHAM
		STATE:			NC
		ZIP:			27703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BESSER JAMES E
		CENTRAL INDEX KEY:			0001512127

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32295
		FILM NUMBER:		131246677

	MAIL ADDRESS:	
		STREET 1:		131 CHARLES STREET
		STREET 2:		1ST FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02114

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Manchester Explorer, L.P.
		CENTRAL INDEX KEY:			0001411524
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32295
		FILM NUMBER:		131246678

	BUSINESS ADDRESS:	
		STREET 1:		C/O MANCHESTER MANAGEMENT COMPANY, L.L.C
		STREET 2:		131 CHARLES STREET, 1ST FLOOR
		CITY:			Boston
		STATE:			ma
		ZIP:			02116
		BUSINESS PHONE:		617-399-1740

	MAIL ADDRESS:	
		STREET 1:		C/O MANCHESTER MANAGEMENT COMPANY, L.L.C
		STREET 2:		131 CHARLES STREET, 1ST FLOOR
		CITY:			Boston
		STATE:			ma
		ZIP:			02116

	FORMER NAME:	
		FORMER CONFORMED NAME:	Manchester Explorer LP
		DATE OF NAME CHANGE:	20070904

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MANCHESTER MANAGEMENT CO LLC
		CENTRAL INDEX KEY:			0001169253

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32295
		FILM NUMBER:		131246679

	BUSINESS ADDRESS:	
		STREET 1:		2 INTERNATIONAL PL.
		STREET 2:		24TH FL.
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		6178568995

	MAIL ADDRESS:	
		STREET 1:		2 INTERNATIONAL PL
		STREET 2:		24TH FL.
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FRANK MORGAN C.
		CENTRAL INDEX KEY:			0001593072

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32295
		FILM NUMBER:		131246680

	MAIL ADDRESS:	
		STREET 1:		C/O MANCHESTER MANAGEMENT COMPANY,L.L.C.
		STREET 2:		131 CHARLES STREET, 1ST FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02114
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>p1433055.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2013-11-22</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001211583</issuerCik>
        <issuerName>ADHEREX TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>ADHXF</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001169253</rptOwnerCik>
            <rptOwnerName>MANCHESTER MANAGEMENT CO LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>131 CHARLES STREET</rptOwnerStreet1>
            <rptOwnerStreet2>1ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02114</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001411524</rptOwnerCik>
            <rptOwnerName>Manchester Explorer, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>131 CHARLES STREET, 1ST FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02114</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001512127</rptOwnerCik>
            <rptOwnerName>BESSER JAMES E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MANCHESTER MANAGEMENT COMPANY, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>131 CHARLES STREET, 1ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02114</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001593072</rptOwnerCik>
            <rptOwnerName>FRANK MORGAN C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MANCHESTER MANAGEMENT COMPANY, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>131 CHARLES STREET, 1ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02114</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2933650</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1981000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>328000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>250000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Warrants</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.50</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2013-11-22</value>
            </exerciseDate>
            <expirationDate>
                <value>2018-11-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2500000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Warrants</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.50</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2013-11-22</value>
            </exerciseDate>
            <expirationDate>
                <value>2018-11-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1875000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Warrants</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.50</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2013-11-22</value>
            </exerciseDate>
            <expirationDate>
                <value>2018-11-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>250000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Warrants</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.50</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2013-11-22</value>
            </exerciseDate>
            <expirationDate>
                <value>2018-11-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>250000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Manchester Management Company, LLC, a Delaware limited liability company, provides investment management services to private individuals and institutions, including Manchester Explorer, L.P. The reported securities and warrants are indirectly beneficially owned by Manchester Management Company, LLC as a result of it having investment discretion over certain advisory accounts it manages. The reported securities and warrants may also be deemed to be indirectly beneficially owned by James E. Besser, as a Managing Member of Manchester Management Company, LLC, and by Morgan C. Frank, who serves as a portfolio manager and a consultant of Manchester Management Company, LLC. Each of the Reporting Persons disclaim beneficial ownership of the reported securities and warrants except to the extent of their pecuniary interest therein.</footnote>
        <footnote id="F2">The reported securities and warrants are directly owned by Manchester Explorer, L.P., a Delaware limited partnership.</footnote>
        <footnote id="F3">The reported securities and warrants are directly owned by James E. Besser in his personal capacity.</footnote>
        <footnote id="F4">The reported securities and warrants are directly owned by Morgan C. Frank in his personal capacity.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Manchester Management Company, LLC By: /s/ James E. Besser, Managing Member</signatureName>
        <signatureDate>2013-11-27</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Manchester Explorer, L.P. By: /s/ James E. Besser, Managing Member of the General Partner</signatureName>
        <signatureDate>2013-11-27</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>James E. Besser By: /s/ James E. Besser</signatureName>
        <signatureDate>2013-11-27</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Morgan C. Frank By: /s/ Morgan C. Frank</signatureName>
        <signatureDate>2013-11-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
