Arbutus Biopharma Corp SEC filings ABUS
Arbutus Biopharma Corp has 1,000 filings in SEC EDGAR's recent list, going back to Aug 9, 2011. Its latest annual report, Form 10-K, was filed on Mar 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 12, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 22, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 27, 2026 | — |
| 8-K |
Current report
Other events
|
Oct 22, 2026 | Oct 20, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 7, 2026 | — |
| 4 | Insider transaction | Oct 7, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 7, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 7, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 7, 2026 | Oct 1, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 5, 2026 | — |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| SC TO-I/A | Filing | Oct 1, 2026 | — |
| SC TO-I/A | Filing | Sep 30, 2026 | — |
| 4 | Insider transaction | Sep 23, 2026 | Sep 18, 2026 |
| 4 | Insider transaction | Sep 23, 2026 | Sep 18, 2026 |
| 4 | Insider transaction | Sep 23, 2026 | Sep 18, 2026 |
| 4 | Insider transaction | Sep 23, 2026 | Sep 18, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Sep 4, 2026 | — |
| SC TO-I | Filing | Aug 24, 2026 | — |
| SC TO-C | Filing | Aug 21, 2026 | — |
| 8-K |
Current report
Other events
|
Aug 21, 2026 | Aug 21, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2026 | — |
| 10-Q | Quarterly report | Aug 12, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2026 | Aug 12, 2026 |
| 8-K |
Current report
Agreement ended, Officer or director change, Other events
|
Jul 16, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| S-8 | Employee stock plan registration | Jun 5, 2026 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 27, 2026 | May 26, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 10-Q | Quarterly report | May 13, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 13, 2026 | May 13, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 28, 2026 | — |
| 8-K |
Current report
Other events
|
Apr 15, 2026 | Apr 14, 2026 |
| DEFA14A | Additional proxy material | Apr 14, 2026 | — |
| DEF 14A | Proxy statement | Apr 14, 2026 | May 26, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 13, 2026 | — |
| 8-K |
Current report
Results of operations
|
Mar 23, 2026 | Mar 23, 2026 |
| 10-K | Annual report | Mar 23, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Mar 3, 2026 | Mar 3, 2026 |
| 8-K |
Current report
Other events
|
Feb 20, 2026 | Feb 17, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 11, 2026 | — |
| 8-K |
Current report
Other events
|
Feb 6, 2026 | Feb 2, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Feb 2, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Feb 2, 2026 |
| 8-K |
Current report
Other events
|
Jan 16, 2026 | Jan 15, 2026 |
| 8-K |
Current report
Other events
|
Dec 11, 2025 | Dec 11, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 13, 2025 | Nov 13, 2025 |
| 10-Q | Quarterly report | Nov 13, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Other events
|
Oct 7, 2025 | Oct 7, 2025 |
| 8-K |
Current report
Other events
|
Sep 10, 2025 | Sep 9, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 13, 2025 | — |
| 4 | Insider transaction | Aug 6, 2025 | Aug 4, 2025 |
| 3 | Initial insider ownership | Aug 6, 2025 | Aug 4, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Officer or director change, Other events
|
Aug 6, 2025 | Aug 4, 2025 |
| 8-K |
Current report
Agreement ended, Other events
|
Jun 25, 2025 | Jun 20, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2025 | May 21, 2025 |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 14, 2025 | May 14, 2025 |
| 8-K |
Current report
Other events
|
May 7, 2025 | May 7, 2025 |
| 8-K |
Current report
Other events
|
Apr 23, 2025 | Apr 23, 2025 |
| 144 | Notice of proposed sale | Apr 21, 2025 | — |
| 144 | Notice of proposed sale | Apr 15, 2025 | — |
| DEFA14A | Additional proxy material | Apr 4, 2025 | — |
| DEF 14A | Proxy statement | Apr 4, 2025 | May 21, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
Apr 3, 2025 | Mar 28, 2025 |
| 4/A | Form 4/a | Apr 1, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Mar 31, 2025 | Mar 31, 2025 |
| 3 | Initial insider ownership | Mar 31, 2025 | Mar 28, 2025 |
| 144 | Notice of proposed sale | Mar 31, 2025 | — |
| 10-K | Annual report | Mar 27, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 27, 2025 | Mar 27, 2025 |
| 144 | Notice of proposed sale | Mar 24, 2025 | — |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 144 | Notice of proposed sale | Mar 19, 2025 | — |
| 144 | Notice of proposed sale | Mar 13, 2025 | — |
| 144 | Notice of proposed sale | Mar 7, 2025 | — |
| 3 | Initial insider ownership | Mar 6, 2025 | Feb 24, 2025 |
| 3 | Initial insider ownership | Mar 6, 2025 | Feb 24, 2025 |
| 3 | Initial insider ownership | Mar 6, 2025 | Feb 24, 2025 |
| 3 | Initial insider ownership | Mar 6, 2025 | Feb 24, 2025 |
| 3 | Initial insider ownership | Mar 6, 2025 | Feb 24, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Mar 3, 2025 | Mar 3, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 25, 2025 | — |
| 8-K |
Current report
Officer or director change, Other events
|
Feb 25, 2025 | Feb 24, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 21, 2025 | — |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 18, 2025 | — |
| 4 | Insider transaction | Feb 5, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 4, 2025 |
| 144 | Notice of proposed sale | Feb 4, 2025 | — |
| 144 | Notice of proposed sale | Feb 4, 2025 | — |
| 144 | Notice of proposed sale | Feb 4, 2025 | — |
| 144 | Notice of proposed sale | Feb 4, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 3, 2025 | — |
| 8-K |
Current report
Results of operations, Other events
|
Jan 13, 2025 | Jan 13, 2025 |
| EFFECT | Filing | Dec 5, 2024 | — |
| CORRESP | Letter to the SEC | Dec 2, 2024 | — |
| 8-K |
Current report
Other events
|
Nov 15, 2024 | Nov 15, 2024 |
| UPLOAD | Letter from the SEC | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| S-3 | Shelf registration | Nov 6, 2024 | — |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 6, 2024 | Nov 6, 2024 |
| 8-K |
Current report
Other events
|
Oct 15, 2024 | Oct 15, 2024 |
| 8-K |
Current report
Officer or director change
|
Oct 11, 2024 | Oct 11, 2024 |
| 4 | Insider transaction | Aug 16, 2024 | Aug 14, 2024 |
| S-8 | Employee stock plan registration | Aug 8, 2024 | — |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 5, 2024 | Aug 5, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 1, 2024 | Aug 1, 2024 |
| SC 13G | Ownership over 5% (passive) | Jun 10, 2024 | — |
| 8-K |
Current report
Other events
|
Jun 6, 2024 | Jun 6, 2024 |
| 8-K |
Current report
Other events
|
Jun 5, 2024 | Jun 5, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 28, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 24, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 24, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 24, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 24, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 24, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 24, 2024 | May 23, 2024 |
| 8-K |
Current report
Other events
|
May 22, 2024 | May 22, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | May 17, 2024 | — |
| SC 13D | Ownership over 5% (active) | May 9, 2024 | — |
| 10-Q | Quarterly report | May 2, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
May 2, 2024 | May 2, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
May 2, 2024 | May 1, 2024 |
| DEFA14A | Additional proxy material | Apr 10, 2024 | — |
| DEF 14A | Proxy statement | Apr 10, 2024 | May 22, 2024 |
| 8-K |
Current report
Other events
|
Apr 4, 2024 | Apr 4, 2024 |
| 10-K | Annual report | Mar 5, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 29, 2024 | Feb 29, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 8, 2024 | Jan 8, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 4, 2024 | Dec 31, 2023 |
| SC 13G | Ownership over 5% (passive) | Nov 21, 2023 | — |
| 8-K |
Current report
Other events
|
Nov 9, 2023 | Nov 9, 2023 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 7, 2023 | Nov 1, 2023 |
| 8-K |
Current report
Other events
|
Oct 11, 2023 | Oct 11, 2023 |
| SC 13G | Ownership over 5% (passive) | Sep 11, 2023 | — |
| 8-K |
Current report
Other events
|
Sep 11, 2023 | Sep 11, 2023 |
| S-8 | Employee stock plan registration | Aug 3, 2023 | — |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 3, 2023 | Aug 3, 2023 |
| 4 | Insider transaction | Jul 13, 2023 | Jul 12, 2023 |
| 3 | Initial insider ownership | Jul 13, 2023 | Jul 12, 2023 |
| 4 | Insider transaction | Jul 12, 2023 | Jul 10, 2023 |
| 3 | Initial insider ownership | Jul 12, 2023 | Jul 10, 2023 |
| 4 | Insider transaction | Jul 12, 2023 | Jul 10, 2023 |
| 3 | Initial insider ownership | Jul 12, 2023 | Jul 10, 2023 |
| 8-K |
Current report
Officer or director change
|
Jul 12, 2023 | Jul 11, 2023 |
| 8-K |
Current report
Other events
|
Jul 10, 2023 | Jul 10, 2023 |
| 8-K |
Current report
Other events
|
Jun 21, 2023 | Jun 21, 2023 |
| 8-K |
Current report
Other events
|
Jun 21, 2023 | Jun 21, 2023 |
| 8-K |
Current report
Other events
|
Jun 7, 2023 | Jun 7, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 30, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 26, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 26, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 26, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 26, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 26, 2023 | May 24, 2023 |
| 10-Q | Quarterly report | May 4, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
May 4, 2023 | May 4, 2023 |
| 8-K |
Current report
Other events
|
Apr 27, 2023 | Apr 27, 2023 |
| 8-K |
Current report
Other events
|
Apr 25, 2023 | Apr 25, 2023 |
| 8-K |
Current report
Other events
|
Apr 18, 2023 | Apr 18, 2023 |
| DEFA14A | Additional proxy material | Apr 12, 2023 | — |
| DEF 14A | Proxy statement | Apr 12, 2023 | May 24, 2023 |
| 8-K |
Current report
Other events
|
Apr 4, 2023 | Apr 4, 2023 |
| 8-K |
Current report
Other events
|
Mar 16, 2023 | Mar 16, 2023 |
| 8-K |
Current report
Other events
|
Mar 14, 2023 | Mar 14, 2023 |
| 10-K | Annual report | Mar 2, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Mar 2, 2023 | Mar 2, 2023 |
| 4 | Insider transaction | Feb 3, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 3, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 3, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 3, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 3, 2023 | Feb 1, 2023 |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2023 | — |
| 8-K |
Current report
Officer or director change
|
Jan 27, 2023 | Jan 23, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 5, 2023 | Jan 5, 2023 |
| 8-K |
Current report
Other events
|
Dec 13, 2022 | Dec 13, 2022 |
| 10-Q | Quarterly report | Nov 9, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 9, 2022 | Nov 9, 2022 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ABUS (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- British Columbia, Canada
- Headquarters
- Warminster, PA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1447028
- Former names
- TEKMIRA PHARMACEUTICALS CORP (until Aug 3, 2015); TEKMIRA PHARMACEUTICALS Corp (until Aug 3, 2015)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.