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Arbutus (NASDAQ: ABUS) plans Dutch auction share buyback

(Neutral)
(Neutral)
Form Type
SC TO-C

Rhea-AI Filing Summary

Arbutus Biopharma Corp (ABUS) announced plans to launch a modified “Dutch auction” issuer tender offer to repurchase up to US$230 million of its common shares. Shareholders will be able to tender shares within a price range of US$5.00 to US$5.75 per share.

The company stated that the tender offer has not yet commenced and may not proceed on these terms or at all. Upon commencement, Arbutus will file a Schedule TO with U.S. and Canadian regulators, and the offer will be made only through the formal offer to purchase, issuer bid circular, letter of transmittal and related documents.

Positive

  • None.

Negative

  • None.

Filing Explained

The proposed tender offer’s US$230 million maximum exceeds Arbutus’s US$19.171 million of cash and equivalents at June 30, 2026; because the offer had not commenced on August 21, 2026, that maximum was proposed capacity rather than a completed repurchase.

Maximum tender offer size US$230 million Planned value of common shares Arbutus may repurchase in the modified Dutch auction tender offer
Tender offer price range - minimum US$5.00 per share Lower end of the proposed price range for the modified Dutch auction tender offer
Tender offer price range - maximum US$5.75 per share Upper end of the proposed price range for the modified Dutch auction tender offer
Date of announcement August 21, 2026 Date Arbutus announced its intention to launch the modified Dutch auction tender offer
modified "Dutch auction" tender offer financial
"plans to launch a modified “Dutch auction” tender offer to purchase up to"
A modified "Dutch auction" tender offer is a way for a company to buy back its own shares by asking shareholders to bid the minimum price at which they are willing to sell and how many shares they will tender, then choosing the lowest price that lets the company repurchase the desired total. Think of it like an auction where the seller sets a price range and the host accepts the lowest acceptable bids until capacity is filled; it matters to investors because it can produce a fair market price for selling shares and affects share supply, per-share value, and takeover dynamics.
Schedule TO regulatory
"the Company will file a tender offer statement on Schedule TO, including"
A phrase indicating that a company plans or intends to hold an event, publish information, or take an action at a specified future time, but that the timing is not guaranteed and may change. For investors it signals an expected milestone—like an earnings call, product launch, or filing—so think of it as a calendar note rather than a firm promise; timing shifts can affect trading, expectations, and planning.
issuer bid circular regulatory
"including an offer to purchase and accompanying issuer bid circular, letter"
An issuer bid circular is a formal disclosure document a company files when it plans to buy back its own shares or other securities from the market or from holders. It explains the size, timing, price range, reasons for the buyback and how it will affect existing investors, so readers can judge whether the move may boost per‑share value, change ownership stakes or signal management’s view of the company’s prospects — similar to a homeowner explaining why they’re repurchasing and retiring spare keys.
SEDAR+ regulatory
"the System for Electronic Data Analysis and Retrieval of the Canadian Administrators (SEDAR+)"
SEDAR+ is Canada’s centralized online system where publicly traded companies submit required regulatory documents such as financial reports, prospectuses and disclosure statements. It gives investors a single, searchable place — like a public library or online filing cabinet — to check a company’s official records for transparency, compare performance, and verify material information before making investment decisions.

FAQ

What did Arbutus Biopharma (ABUS) announce in this filing?

Arbutus Biopharma announced plans for a modified “Dutch auction” tender offer to repurchase up to US$230 million of its common shares, with a proposed price range of US$5.00 to US$5.75 per share, subject to formal commencement and regulatory filings.

How large is the planned tender offer by ABUS?

The company plans to purchase up to US$230 million in value of its common shares under the modified Dutch auction tender offer, if commenced and completed on the terms described.

What price range will Arbutus Biopharma (ABUS) use for the Dutch auction?

Arbutus Biopharma plans a modified Dutch auction tender offer with a share price range between US$5.00 and US$5.75 per common share, as disclosed in the announcement.

Has the ABUS tender offer already started?

No. Arbutus stated that the tender offer has not yet commenced, and there can be no assurances it will commence on the described terms or at all. It will formally begin only after the company files a Schedule TO and related documents.

Where can ABUS shareholders find the official tender offer documents?

Once commenced, shareholders can obtain the Schedule TO, offer to purchase, issuer bid circular, and related documents for free on the SEC’s website (www.sec.gov), SEDAR+ (www.sedarplus.ca), and in the investors section of investor.arbutusbio.com.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

 

FORM 8-K

 

 

 

CURRENT REPORT

 

Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934

 

Date of Report (Date of earliest event reported): August 21, 2026

 

 

 

Arbutus Biopharma Corporation

(Exact name of registrant as specified in its charter)

 

 

 

British Columbia, Canada 001-34949 98-0597776
(State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.S. Employer Identification No.)

 

701 Veterans Circle

Warminster, Pennsylvania 18974

(Address of Principal Executive Offices) (Zip Code)

 

(267) 469-0914

(Registrant's telephone number, including area code)

 

 

(Former name or former address, if changed since last report)

 

 

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

 

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
x Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class Trading Symbol(s) Name of each exchange on which registered
Common Shares, without par value ABUS The Nasdaq Stock Market LLC

 

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

 

Emerging growth company ¨

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

 

 

 

 

 

Item 8.01 Other Events.

 

On August 21, 2026, Arbutus Biopharma Corporation (the “Company”) issued a press release announcing its plans to launch a modified “Dutch auction” tender offer to purchase up to US$230 million in value of its common shares, at a price ranging from US$5.00 to US$5.75. 

 

Additional Information Regarding the Tender Offer 

 

The tender offer described above has not yet commenced, and there can be no assurances that the Company will commence the tender offer on the terms described herein or at all. On the commencement date of the tender offer, the Company will file a tender offer statement on Schedule TO, including an offer to purchase and accompanying issuer bid circular, letter of transmittal and other tender offer materials, with the Securities and Exchange Commission (“SEC”) and applicable Canadian securities regulatory authorities. The tender offer will only be made pursuant to the offer to purchase and accompanying issuer bid circular, the related letter of transmittal and the other tender offer materials filed as part of the Schedule TO. When available, shareholders of the Company should read carefully the offer to purchase and accompanying issuer bid circular, the related letter of transmittal and other tender offer materials because they will contain important information, including the terms and conditions of the tender offer. Once the tender offer commences, shareholders of the Company will be able to obtain a free copy of the tender offer statement on Schedule TO, the offer to purchase, letter of transmittal and other documents that the Company will be filing with the SEC at the SEC’s website at www.sec.gov and the System for Electronic Data Analysis and Retrieval of the Canadian Administrators (SEDAR+) at www.sedarplus.ca and in the investors section of the Company’s website at investor.arbutusbio.com, or from the Company’s information agent for the tender offer.

 

Item 9.01. Financial Statements and Exhibits.

 

(d) Exhibits.

 

Exhibit Number   Description
     
99.1   Press Release dated August 21, 2026
104   Cover page interactive data file (formatted as inline XBRL).

 

 

 

 

SIGNATURES

 

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 hereunto duly authorized.

 

  Arbutus Biopharma Corporation
   
Date: August 21, 2026 By: /s/ Tuan Nguyen
    Tuan Nguyen
    Chief Financial Officer