Arbutus Biopharma Corp — Proxy Solicitation & Information Statement 2025

Apr 4, 2025

DEFA14A 1 ny20041152x2_defa14a.htm DEFA14A Licensed to: Broadridge Financial Solutions, Inc. Document created using Broadridge PROfile 25.3.1.5296 Copyright 1995 - 2025 Broadridge

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material under §240.14a-12

ARBUTUS BIOPHARMA CORPORATION
(Name of Registrant as Specified in its Charter)
(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

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☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11