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 | — |
| 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 |
| 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 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2026 | — |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 28, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 13, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 11, 2026 | — |
| 4 | Insider transaction | Feb 2, 2026 | Feb 2, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Feb 2, 2026 |
| 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 |
| 144 | Notice of proposed sale | Apr 21, 2025 | — |
| 144 | Notice of proposed sale | Apr 15, 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 | — |
| 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 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 25, 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 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 4 | Insider transaction | Aug 16, 2024 | Aug 14, 2024 |
| SC 13G | Ownership over 5% (passive) | Jun 10, 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 |
| SC 13D/A | Amended ownership over 5% (active) | May 17, 2024 | — |
| SC 13D | Ownership over 5% (active) | May 9, 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 |
| SC 13G | Ownership over 5% (passive) | Nov 21, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Sep 11, 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 |
| 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 |
| 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 | — |
| 4 | Insider transaction | May 26, 2022 | May 25, 2022 |
| 4 | Insider transaction | May 26, 2022 | May 25, 2022 |
| 4 | Insider transaction | May 26, 2022 | May 25, 2022 |
| 4 | Insider transaction | May 26, 2022 | May 25, 2022 |
| 4 | Insider transaction | May 26, 2022 | May 25, 2022 |
| 4 | Insider transaction | May 26, 2022 | May 25, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| 4 | Insider transaction | Jan 20, 2022 | Jan 20, 2022 |
| 4 | Insider transaction | Jan 20, 2022 | Jan 20, 2022 |
| 4 | Insider transaction | Jan 20, 2022 | Jan 20, 2022 |
| 4 | Insider transaction | Jan 20, 2022 | Jan 20, 2022 |
| 4 | Insider transaction | Jan 20, 2022 | Jan 20, 2022 |
| 4 | Insider transaction | Jan 20, 2022 | Jan 20, 2022 |
| 4 | Insider transaction | Dec 3, 2021 | Dec 1, 2021 |
| 4 | Insider transaction | Nov 12, 2021 | Nov 9, 2021 |
| 3 | Initial insider ownership | Nov 12, 2021 | Nov 9, 2021 |
| 4 | Insider transaction | Oct 20, 2021 | Oct 18, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 20, 2021 | — |
| 4 | Insider transaction | Jun 7, 2021 | Jun 3, 2021 |
| 4 | Insider transaction | Jun 7, 2021 | Jun 3, 2021 |
| 4 | Insider transaction | Jun 7, 2021 | Jun 3, 2021 |
| 4 | Insider transaction | Jun 7, 2021 | Jun 3, 2021 |
| 4 | Insider transaction | Jun 7, 2021 | Jun 3, 2021 |
| 4 | Insider transaction | Jun 7, 2021 | Jun 3, 2021 |
| 4 | Insider transaction | Feb 17, 2021 | Feb 13, 2021 |
| 4 | Insider transaction | Feb 17, 2021 | Feb 13, 2021 |
| 4 | Insider transaction | Feb 17, 2021 | Feb 13, 2021 |
| 4 | Insider transaction | Feb 17, 2021 | Feb 13, 2021 |
| 4 | Insider transaction | Feb 17, 2021 | Feb 13, 2021 |
| 4 | Insider transaction | Feb 17, 2021 | Feb 13, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| 4 | Insider transaction | Feb 10, 2021 | Feb 9, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
| 4 | Insider transaction | Dec 16, 2020 | Dec 14, 2020 |
| 4 | Insider transaction | Sep 25, 2020 | Sep 23, 2020 |
| 4 | Insider transaction | Sep 25, 2020 | Sep 23, 2020 |
| 4 | Insider transaction | Jul 27, 2020 | Jul 23, 2020 |
| SC 13G | Ownership over 5% (passive) | Jul 16, 2020 | — |
| 4 | Insider transaction | Jun 1, 2020 | May 28, 2020 |
| 4 | Insider transaction | Jun 1, 2020 | May 28, 2020 |
| 4 | Insider transaction | Jun 1, 2020 | May 28, 2020 |
| 4 | Insider transaction | Jun 1, 2020 | May 28, 2020 |
| 4 | Insider transaction | Jun 1, 2020 | May 28, 2020 |
| 4 | Insider transaction | Jun 1, 2020 | May 28, 2020 |
| 4 | Insider transaction | Jun 1, 2020 | May 28, 2020 |
| 4 | Insider transaction | Feb 19, 2020 | Feb 17, 2020 |
| 4 | Insider transaction | Feb 19, 2020 | Feb 17, 2020 |
| 4 | Insider transaction | Feb 19, 2020 | Feb 17, 2020 |
| 4 | Insider transaction | Feb 19, 2020 | Feb 17, 2020 |
| 4 | Insider transaction | Feb 19, 2020 | Feb 17, 2020 |
| 4 | Insider transaction | Feb 19, 2020 | Feb 17, 2020 |
| 3 | Initial insider ownership | Feb 19, 2020 | Feb 18, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Dec 9, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Nov 5, 2019 | — |
| 4 | Insider transaction | Aug 20, 2019 | Aug 17, 2019 |
| 4 | Insider transaction | Aug 20, 2019 | Aug 17, 2019 |
| 3 | Initial insider ownership | Aug 20, 2019 | Aug 17, 2019 |
| 4 | Insider transaction | Aug 20, 2019 | Aug 17, 2019 |
| 4 | Insider transaction | Aug 20, 2019 | Aug 17, 2019 |
| 4 | Insider transaction | Aug 20, 2019 | Aug 17, 2019 |
| 4 | Insider transaction | Aug 20, 2019 | Aug 17, 2019 |
| 4 | Insider transaction | Aug 20, 2019 | Aug 17, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 17, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 17, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 16, 2019 | — |
| 4 | Insider transaction | Jul 15, 2019 | Jul 10, 2019 |
| 4 | Insider transaction | Jul 15, 2019 | Jul 10, 2019 |
| 4 | Insider transaction | Jul 12, 2019 | Jul 10, 2019 |
| 4 | Insider transaction | Jul 12, 2019 | Jul 10, 2019 |
| 4 | Insider transaction | Jul 12, 2019 | Jul 10, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 12, 2019 | — |
| 4 | Insider transaction | Jul 12, 2019 | Jul 10, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 12, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 12, 2019 | — |
| 4 | Insider transaction | Jul 12, 2019 | Jul 10, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 12, 2019 | — |
| 4 | Insider transaction | Jun 26, 2019 | Jun 24, 2019 |
| 3 | Initial insider ownership | Jun 26, 2019 | Jun 24, 2019 |
| 4 | Insider transaction | Mar 5, 2019 | Mar 1, 2019 |
| 4 | Insider transaction | Mar 5, 2019 | Mar 1, 2019 |
| 4 | Insider transaction | Mar 5, 2019 | Mar 1, 2019 |
| 4 | Insider transaction | Mar 5, 2019 | Mar 1, 2019 |
| 4 | Insider transaction | Mar 5, 2019 | Mar 1, 2019 |
| 4 | Insider transaction | Mar 5, 2019 | Mar 1, 2019 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2019 | — |
| 3 | Initial insider ownership | Jan 10, 2019 | Jan 1, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 3, 2019 | — |
| 3 | Initial insider ownership | Dec 21, 2018 | Dec 11, 2018 |
| 4 | Insider transaction | Dec 13, 2018 | Dec 11, 2018 |
| 4 | Insider transaction | Nov 30, 2018 | Nov 28, 2018 |
| 4 | Insider transaction | Nov 27, 2018 | Nov 26, 2018 |
| 3 | Initial insider ownership | Nov 27, 2018 | Nov 26, 2018 |
| 4 | Insider transaction | Oct 22, 2018 | Oct 18, 2018 |
| 3 | Initial insider ownership | Oct 22, 2018 | Oct 18, 2018 |
| 4 | Insider transaction | Oct 22, 2018 | Oct 18, 2018 |
| 3 | Initial insider ownership | Oct 22, 2018 | Oct 18, 2018 |
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.