If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




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SCHEDULE 13D




Comment for Type of Reporting Person:
As of the date of this Amendment No. 14 to the Schedule 13D, Roivant Sciences Ltd. ("Roivant") beneficially owns 29,880,079 common shares, without par value ("Common Shares"), of Arbutus Biopharma Corporation (the "Issuer"). The percentage of outstanding Common Shares that may be deemed to be beneficially owned by Roivant is calculated based on an aggregate of approximately 153,275,907 Common Shares issued and outstanding immediately following the completion of the Issuer's tender offer, as described in the Issuer's press release dated October 1, 2026.


SCHEDULE 13D


 
Roivant Sciences Ltd.
 
Signature:/s/ Keyur Parekh
Name/Title:Keyur Parekh, Authorized Signatory
Date:10/05/2026

ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

EXHIBIT 99.1