🕵️ Arbutus Biopharma Corp ($ABUS)
SEC insider & ownership activity, last 12 months · CIK 1447028 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. No red-flag 8-Ks in the window.
Insider flow
0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)
No open-market insider transactions in the last 12 months.
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Roivant Sciences Ltd. | 20.5% | 13D | Feb 21, 2025 | filing ↗ | |
| Morgan Stanley | 13.5% | 13G | Feb 11, 2026 | filing ↗ | |
| Morgan Stanley Investment Management Inc. | 13.3% | 13G | Feb 11, 2026 | filing ↗ | |
| Two SEAS Capital LP | 9.4% | 13G | May 15, 2026 | filing ↗ | |
| Two SEAS Capital GP LLC | 9.4% | 13G | May 15, 2026 | filing ↗ | |
| Sina Toussi | 9.4% | 13G | May 15, 2026 | filing ↗ | |
| Whitefort Capital GP, LLC | 8.0% | 13D | Apr 24, 2026 | filing ↗ | |
| Whitefort Capital Management GP, LLC | 8.0% | 13D | Apr 24, 2026 | filing ↗ | |
| David Salanic | 8.0% | 13D | Apr 24, 2026 | filing ↗ | |
| Joseph Kaplan | 8.0% | 13D | Apr 24, 2026 | filing ↗ | |
| Whitefort Capital Master Fund, LP | 8.0% | 13D | Apr 24, 2026 | filing ↗ | |
| Whitefort Capital Management, LP | 8.0% | 13D | Apr 24, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Agreement terminated (1.02) | Jul 15, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jul 15, 2026 | filing ↗ |
| Other events (8.01) | Jul 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 15, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 26, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 26, 2026 | filing ↗ |
| Earnings (2.02) | May 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 13, 2026 | filing ↗ |
| Other events (8.01) | Apr 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 14, 2026 | filing ↗ |
| Earnings (2.02) | Mar 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 23, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 3, 2026 | filing ↗ |
| Other events (8.01) | Mar 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 3, 2026 | filing ↗ |
| Other events (8.01) | Feb 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 17, 2026 | filing ↗ |
| Other events (8.01) | Feb 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 2, 2026 | filing ↗ |
| Other events (8.01) | Jan 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 15, 2026 | filing ↗ |
| Other events (8.01) | Dec 11, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 11, 2025 | filing ↗ |
| Earnings (2.02) | Nov 13, 2025 | filing ↗ |
| Other events (8.01) | Nov 13, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 13, 2025 | filing ↗ |
| Other events (8.01) | Oct 7, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 7, 2025 | filing ↗ |
| Other events (8.01) | Sep 9, 2025 | filing ↗ |