<SEC-DOCUMENT>0001447028-20-000067.txt : 20200601
<SEC-HEADER>0001447028-20-000067.hdr.sgml : 20200601
<ACCEPTANCE-DATETIME>20200601170212
ACCESSION NUMBER:		0001447028-20-000067
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20200528
FILED AS OF DATE:		20200601
DATE AS OF CHANGE:		20200601

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Collier William H.
		CENTRAL INDEX KEY:			0001780495

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34949
		FILM NUMBER:		20934160

	MAIL ADDRESS:	
		STREET 1:		C/O ARBUTUS BIOPHARMA CORPORATION
		STREET 2:		701 VETERANS CIRCLE
		CITY:			WARMINSTER
		STATE:			PA
		ZIP:			18974

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Arbutus Biopharma Corp
		CENTRAL INDEX KEY:			0001447028
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				980597776
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		100-8900 GLENLYON PARKWAY
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5J 5J8
		BUSINESS PHONE:		604-419-3200

	MAIL ADDRESS:	
		STREET 1:		100-8900 GLENLYON PARKWAY
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5J 5J8

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TEKMIRA PHARMACEUTICALS Corp
		DATE OF NAME CHANGE:	20110607

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TEKMIRA PHARMACEUTICALS CORP
		DATE OF NAME CHANGE:	20081003
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_159104531419172.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-05-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001447028</issuerCik>
        <issuerName>Arbutus Biopharma Corp</issuerName>
        <issuerTradingSymbol>ABUS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001780495</rptOwnerCik>
            <rptOwnerName>Collier William H.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ARBUTUS BIOPHARMA CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>701 VETERANS CIRCLE</rptOwnerStreet2>
            <rptOwnerCity>WARMINSTER</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>18974</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.35</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-05-28</value>
                <footnoteId id="F2"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>262313</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-02-17</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>262313.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>262313</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Reflects the closing price of the Company's common shares on the Nasdaq Stock Market on February 14, 2020, the trading day immediately preceding the date the option grant was approved by the Executive Compensation and Human Resources Committee of the Board of Directors (the &quot;Committee&quot;) of Arbutus Biopharma Corporation, subject to shareholder approval of an amendment to the Registrant's 2016 Omnibus Share and Incentive Plan (the &quot;Plan Amendment&quot;).</footnote>
        <footnote id="F2">The option grant was approved by the Committee on February 17, 2020, subject to shareholder approval of the Plan Amendment. The Registrant's shareholders approved the Plan Amendment on May 28, 2020.</footnote>
        <footnote id="F3">The stock option will vest and become exercisable as to 3/48ths of the common shares on the grant date and an additional 1/48th of the total original common shares on the 17th day of each of the next 45 months.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ David C. Hastings as attorney-in-fact for William H. Collier</signatureName>
        <signatureDate>2020-06-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa-collier.htm
<DESCRIPTION>POA - COLLIER
<TEXT>
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<pre>
POWER OF ATTORNEY

       Know all by these presents, that the undersigned hereby constitutes and appoints David C. Hastings, Dave Kille and James List of Arbutus Biopharma Corporation (the "Company"), each as the undersigned's true and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in the undersigned's capacity as an officer and/or director of the Company, the undersigned's application for EDGAR Access with the United States Securities and Exchange Commission (Form ID application);

(2) execute for and on behalf of the undersigned, in the undersigned's capacity as an officer and/or director of the Company, Forms 3, 4 and 5, in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

(3) do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to (A) complete and execute any such Forms 3, 4 or 5 (B), complete and execute any amendment or amendments thereto, and (C) timely file such forms with the United States Securities and Exchange Commission and any stock exchange or similar authority; and

(4) take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being  understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion.

       The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein granted.

       The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such capacity at the request of the undersigned, is not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.

       This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

       IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 20th day of June, 2019.


                            /s/ William H. Collier
                            William H. Collier




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