<SEC-DOCUMENT>0001144204-18-045760.txt : 20180821
<SEC-HEADER>0001144204-18-045760.hdr.sgml : 20180821
<ACCEPTANCE-DATETIME>20180821150939
ACCESSION NUMBER:		0001144204-18-045760
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180820
FILED AS OF DATE:		20180821
DATE AS OF CHANGE:		20180821

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Raykov Rosty
		CENTRAL INDEX KEY:			0001468316

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32295
		FILM NUMBER:		181030269

	MAIL ADDRESS:	
		STREET 1:		C/O ADHEREX TECHNOLOGIES INC.
		STREET 2:		4620 CREEKSTONE DRIVE, SUITE 200
		CITY:			DURHAM
		STATE:			NC
		ZIP:			27703

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FENNEC PHARMACEUTICALS INC.
		CENTRAL INDEX KEY:			0001211583
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A1
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 13628
		STREET 2:		68 TW ALEXANDER DRIVE
		CITY:			RESEARCH TRIANGLE PARK
		STATE:			NC
		ZIP:			27709
		BUSINESS PHONE:		(919) 636-4530

	MAIL ADDRESS:	
		STREET 1:		PO BOX 13628
		STREET 2:		68 TW ALEXANDER DRIVE
		CITY:			RESEARCH TRIANGLE PARK
		STATE:			NC
		ZIP:			27709

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FENNEC PHARMACEUTICALS, INC.
		DATE OF NAME CHANGE:	20140903

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADHEREX TECHNOLOGIES INC
		DATE OF NAME CHANGE:	20021223
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>tv501431_4.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-08-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001211583</issuerCik>
        <issuerName>FENNEC PHARMACEUTICALS INC.</issuerName>
        <issuerTradingSymbol>FENC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001468316</rptOwnerCik>
            <rptOwnerName>Raykov Rosty</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 13628, 68 TW ALEXANDER DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>RESEARCH TRIANGLE PARK</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>27709</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-08-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>17050</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.44</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40470</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Rostislav Raykov</signatureName>
        <signatureDate>2018-08-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
