1 unchanged sentence
Trading Plans
−Removed: During the three months ended September 30, 2024, none of our directors or officers adopted , modified or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement” as such terms are defined under Item 408 of Regulation S-K, except as follows:
−Removed: • On September 18, 2024 , the Irrevocable Deed of Trust of Michael J.
−Removed: Sofia dated July 6, 2020 (the Trust), adopted a “Rule 10b5-1 trading arrangement,” as defined in Item 408 of Regulation S-K, to satisfy the affirmative defense of Rule 10b5-1(c) of the Exchange Act.
−Removed: Sofia is our Chief Scientific Officer.
−Removed: This plan provides for the sale of an aggregate of up to 96,456 shares of our common stock, held by the Trust.
−Removed: This plan will terminate on April 15, 2025 , or earlier upon the completed sale of the maximum number of common shares subject to the plan, subject to early termination for certain specified events set forth in the plan.
+Added: During the three months ended March 31, 2025, none of our directors or officers adopted , modified or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement” as such terms are defined under Item 408 of Regulation S-K, except as follows:
+Added: • On March 28, 2025 , Tuan Nguyen, our Chief Financial Officer, entered into a sell-to-cover instruction letter (the Sell-to-Cover Instruction Letter) which constitutes a “Rule 10b5-1 trading arrangement,” intended to satisfy the affirmative defense of Rule 10b5-1(c) of the Securities Exchange Act of 1934, as amended.
+Added: The Sell-to-Cover Instruction Letter, which applies to grants of restricted stock units (RSUs) whether vesting is based on the passage of time and/or the achievement of performance criteria, provides for the automatic sale of common shares as soon as practicable on or after each settlement date of a covered RSU in an amount sufficient to satisfy the applicable tax withholding obligation, with the proceeds of the sale delivered to us in satisfaction of the applicable tax withholding obligation.
+Added: The number of common shares subject to covered RSUs that will be sold to satisfy the applicable tax withholding obligations upon vesting is unknown as the number will vary based on the extent to which vesting conditions are satisfied, the market price of the common shares at the time of settlement and the potential future grants of RSUs subject to the Sell-to-Cover Instruction Letter.
+Added: The expiration date of the Sell-to-Cover Instruction Letter is the date on which the tax withholding obligation arising from the vesting of all covered RSUs and the related issuance of common shares has been satisfied.
+Added: Mr Nguyen does not currently hold any RSUs, but he may become eligible to receive grants of RSUs in the future.
EXHIBIT INDEX
2 unchanged sentences
3.2 Amendment to Articles of the Company (incorporated herein by reference to Exhibit 3.1 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2018, filed with the SEC on November 7, 2018).
−Removed: 10.1# First Amendment to Executive Employment Agreement, dated October 11, 2024, by and between Michael J.
−Removed: Sofia and Arbutus Biopharma, Inc.
−Removed: (incorporated herein by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K, filed with the SEC on October 11, 2024).
+Added: 10.1#*+ Executive Employment Agreement, dated February 25, 2025, by and between Arbutus Biopharma, Inc.
+Added: and Lindsay Androski.
+Added: 10.2 Agreement, dated March 2, 2025, by and between the Company and Genevant Sciences GmbH (incorporated herein by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K, filed with the SEC on March 3, 2025).
+Added: 10.3#*+ Executive Employment Agreement, dated March 25, 2025, by and between Arbutus Biopharma, Inc.
+Added: and Tuan Nguyen.
+Added: 10.4#* Separation Agreement and General Release, dated effective March 25, 2025, by and between Arbutus Biopharma, Inc.
+Added: and Michael J.
+Added: 10.5#* Consulting Agreement, dated March 28, 2025, by and between Arbutus Biopharma, Inc.
+Added: and Karen Sims.
+Added: 10.6#*+ Separation Agreement and General Release, dated effective April 1, 2025, by and between Arbutus Biopharma, Inc.
+Added: and Karen Sims.
+Added: 10.7#*+ Separation Agreement and General Release, dated effective April 2, 2025, by and between Arbutus Biopharma, Inc.
+Added: and David Hastings.
31.1* Certification of Principal Executive Officer pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
4 unchanged sentences
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
−Removed: 101 The following materials from Arbutus Biopharma Corporation’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2024, formatted in inline XBRL (eXtensible Business Reporting Language):
+Added: 101 The following materials from Arbutus Biopharma Corporation’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2025, formatted in inline XBRL (eXtensible Business Reporting Language):
(i) Condensed Consolidated Balance Sheets;
8 unchanged sentences
# Management Contract or Compensatory Arrangement
−Removed: Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on November 6, 2024.
+Added: + Certain schedules to this agreement have been omitted in accordance with Item 601(a)(5) of Regulation S-K.
+Added: A copy of any omitted schedules will be furnished supplementally to the SEC upon request.
+Added: Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on May 14, 2025.
ARBUTUS BIOPHARMA CORPORATION
−Removed: /s/ Michael J.
−Removed: Interim President and Chief Executive Officer
+Added: /s/ Lindsay Androski
+Added: Lindsay Androski
+Added: President and Chief Executive Officer
(Principal Executive Officer)
+Added: /s/ Tuan Nguyen
Chief Financial Officer
1 unchanged sentence
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.