🕵️ VIR Biotechnology, Inc. ($VIR)
SEC insider & ownership activity, last 12 months · CIK 1706431 · every row links its SEC filing
Over the last 12 months insiders sold $21.2M with no open-market buying against it. SVF Endurance (CAYMAN) Limited sold $17.8M through a 10b5-1 trading plan in 21 lots (Oct–Dec). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 8 sellers, $21.2M (54 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| SVF Endurance (CAYMAN) Limited | 0 | – | 21 | $17.8M | Dec 1, 2025 |
| Vicki L. Sato | 0 | – | 13 | $1.9M | May 1, 2026 |
| De Backer Marianne | 0 | – | 3 | $947K | Apr 6, 2026 |
| De Verneuil Vanina | 0 | – | 5 | $218K | Feb 25, 2026 |
| Sabatini Brent | 0 | – | 5 | $113K | Jun 1, 2026 |
| O'Byrne Jason | 0 | – | 3 | $69K | Feb 24, 2026 |
| Eisner Mark | 0 | – | 3 | $50K | Feb 25, 2026 |
| Napolitano Janet | 0 | – | 1 | $30K | Jun 1, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 10.8% | 13G | Apr 28, 2025 | filing ↗ | |
| Robert Nelsen | 8.5% | 13D | Feb 27, 2026 | filing ↗ | |
| Keith Crandell | 8.3% | 13D | Feb 27, 2026 | filing ↗ | |
| Clinton Bybee | 8.1% | 13D | Feb 27, 2026 | filing ↗ | |
| ARCH Venture Fund IX, L.P. | 8.1% | 13D | Feb 27, 2026 | filing ↗ | |
| ARCH Venture Fund IX Overage, L.P. | 8.1% | 13D | Feb 27, 2026 | filing ↗ | |
| ARCH Venture Partners IX, L.P. | 8.1% | 13D | Feb 27, 2026 | filing ↗ | |
| ARCH Venture Partners IX Overage, L.P. | 8.1% | 13D | Feb 27, 2026 | filing ↗ | |
| ARCH Venture Partners IX, LLC | 8.1% | 13D | Feb 27, 2026 | filing ↗ | |
| SB Investment Advisers (UK) Limited | 6.5% | 13G | May 15, 2026 | filing ↗ | |
| Softbank Vision Fund (AIV M1) L.P. | 6.5% | 13G | May 15, 2026 | filing ↗ | |
| SVF Endurance (CAYMAN) Limited | 6.5% | 13G | May 15, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 5.8% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Ramasastry Saira | $165K | Jun 29, 2026 | filing ↗ |
| Sabatini Brent | $4K | Jun 1, 2026 | filing ↗ |
| Napolitano Janet | $30K | Jun 1, 2026 | filing ↗ |
| Eisner Mark | $916K | Apr 30, 2026 | filing ↗ |
| De Backer Marianne | $664K | Apr 6, 2026 | filing ↗ |
| Sabatini Brent | $70K | Mar 23, 2026 | filing ↗ |
| Vicki Lee Sato | $800K | Mar 2, 2026 | filing ↗ |
| De Verneuil Vanina | $135K | Feb 25, 2026 | filing ↗ |
| Eisner Mark | $19K | Feb 25, 2026 | filing ↗ |
| SVF Endurance (CAYMAN) Limited | $3.8M | Feb 25, 2026 | filing ↗ |
| Eisner Mark | $15K | Feb 24, 2026 | filing ↗ |
| De Backer Marianne | $141K | Feb 24, 2026 | filing ↗ |
| O'Byrne Jason | $16K | Feb 24, 2026 | filing ↗ |
| Sabatini Brent | $14K | Feb 24, 2026 | filing ↗ |
| De Verneuil Vanina | $30K | Feb 24, 2026 | filing ↗ |
| Vicki Lee Sato | $151K | Feb 24, 2026 | filing ↗ |
| O'Byrne Jason | $16K | Feb 23, 2026 | filing ↗ |
| Eisner Mark | $16K | Feb 23, 2026 | filing ↗ |
| De Backer Marianne | $142K | Feb 23, 2026 | filing ↗ |
| De Verneuil Vanina | $33K | Feb 23, 2026 | filing ↗ |
| Sabatini Brent | $14K | Feb 23, 2026 | filing ↗ |
| Sabatini Brent | $12K | Feb 13, 2026 | filing ↗ |
| SVF Endurance (CAYMAN) Limited | $8.5M | Jan 14, 2026 | filing ↗ |
| Vicki Lee Sato | $398K | Jan 2, 2026 | filing ↗ |
| SVF Endurance (CAYMAN) Limited | $8.1M | Nov 25, 2025 | filing ↗ |
| O'Byrne Jason | $38K | Nov 17, 2025 | filing ↗ |
| De Verneuil Vanina | $12K | Nov 5, 2025 | filing ↗ |
| De Verneuil Vanina | $8K | Nov 3, 2025 | filing ↗ |
| SVF Endurance (CAYMAN) Limited | $5.2M | Oct 21, 2025 | filing ↗ |
| SVF Endurance (CAYMAN) Limited | $9.5M | Oct 3, 2025 | filing ↗ |
| Vicki Lee Sato | $377K | Oct 1, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Jul 20, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 9, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 25, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 25, 2026 | filing ↗ |
| Earnings (2.02) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 7, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 4, 2026 | filing ↗ |
| Other events (8.01) | Feb 26, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 25, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 19, 2026 | filing ↗ |
| Earnings (2.02) | Feb 19, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Feb 19, 2026 | filing ↗ |
| Other events (8.01) | Feb 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 19, 2026 | filing ↗ |
| Earnings (2.02) | Jan 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 12, 2026 | filing ↗ |
| Material agreement (1.01) | Dec 16, 2025 | filing ↗ |
| Other events (8.01) | Dec 16, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 16, 2025 | filing ↗ |
| Earnings (2.02) | Nov 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 5, 2025 | filing ↗ |
| Earnings (2.02) | Aug 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2025 | filing ↗ |