Investor FAQ


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Common shares of Arbutus are listed on the NASDAQ under the symbol ABUS.

Refer to our Key Ratios.

Arbutus’ fiscal year end is December 31st.

Arbutus Biopharma’s AGM will be held on May 22, 2024.

Arbutus’ transfer agent and registrar is:


TSX Trust Company
Suite 1600
1066 West Hastings Street
Vancouver, BC V6E 3X1


All communication concerning transfer requirements, lost share certificates, change of address and other related matters should be directed to the transfer agent and registrar.

Arbutus’ auditors are:

Ernst & Young LLP

Effective August 3, 2015, Tekmira Pharmaceuticals Corporation changed its corporate name to Arbutus Biopharma Corporation (“Arbutus”, ticker symbol “ABUS”), an industry-leading therapeutic solutions company focused on developing a cure for chronic hepatitis B virus infection (HBV).  The name change affirms the successful integration of OnCore BioPharma and Tekmira Pharmaceuticals into a combined company with the goal of delivering a cure for chronic HBV. The combined entity currently fields the largest portfolio of HBV product candidates in the industry and is led by an experienced and proven leadership team.

Arbutus believes it should not be classified as a PFIC for the taxable year beginning on January 1, 2021 and ending on December 31, 2021.  Arbutus will make available, upon request, a PFIC Annual Information statement for any U.S. shareholder that has previously made a qualified electing fund (“QEF”) election and requires this information to complete its IRS Form 8621. Shareholders are urged to consult their own tax advisors concerning the overall tax consequences of the ownership of Arbutus shares arising in their own particular situations under United States Federal, State, Local or Foreign law.