2026Q1
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Deep Track Biotechnology Master Fund, Ltd. | 10% Owner | 18,344,000 | May 13, 2024 |
| Deep Track Capital, LP | 10% Owner | 18,344,000 | May 13, 2024 |
| Kroin David | 10% Owner | 18,344,000 | May 13, 2024 |
| Thomsen Jillian B. | CFO | 313,497 | Feb 17, 2023 |
| Labrucherie Gil M | CFO | 312,905 | May 17, 2022 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Feb 18, 2026 | Feb 20, 2026 | Zalevsky Jonathan | Chief R&D Officer | Sell | 48.8 | -180 | -0.84% | ✗ | $13.1K |
| Feb 18, 2026 | Feb 20, 2026 | ROBIN HOWARD W | CEO | Sell | 48.8 | -423 | -0.56% | ✗ | $30.9K |
| Jan 20, 2026 | Jan 22, 2026 | Zalevsky Jonathan | Chief R&D Officer | Sell | 21.3 | -3,867 | -15.33% | ✓ | $137.9K |
| Dec 22, 2025 | Dec 23, 2025 | Zalevsky Jonathan | Chief R&D Officer | Neutral | 90.0 | +6,250 | 32.95% | ✗ | - |
| Dec 22, 2025 | Dec 23, 2025 | ROBIN HOWARD W | CEO | Neutral | 90.0 | +21,667 | 39.92% | ✗ | - |
| Nov 21, 2025 | Nov 25, 2025 | Zalevsky Jonathan | Chief R&D Officer | Sell | 90.0 | +1,509 | 8.64% | ✗ | $62.8K |
| Nov 21, 2025 | Nov 25, 2025 | Wilson Mark Andrew | Chief Legal Officer | Sell | 86.3 | +1,273 | 6.27% | ✗ | $34.2K |
| Nov 21, 2025 | Nov 25, 2025 | ROBIN HOWARD W | CEO | Sell | 90.0 | +4,903 | 9.93% | ✗ | $119.8K |
| Sep 30, 2025 | Oct 1, 2025 | WHITFIELD ROY A | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 30, 2025 | Oct 1, 2025 | GREER R SCOTT | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 30, 2025 | Oct 1, 2025 | CHESS ROBERT | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 30, 2025 | Oct 1, 2025 | Brainard Diana | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 30, 2025 | Oct 1, 2025 | Ajer Jeffrey Robert | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 9, 2025 | Sep 11, 2025 | ROBIN HOWARD W | CEO | Sell | 22.5 | -6,666 | -11.90% | ✓ | $311.2K |
| Sep 4, 2025 | Sep 8, 2025 | Zalevsky Jonathan | Chief R&D Officer | Sell | 28.8 | -1,721 | -8.97% | ✓ | $57.7K |
| Sep 4, 2025 | Sep 8, 2025 | ROBIN HOWARD W | CEO | Sell | 17.5 | -11,832 | -17.43% | ✓ | $431K |
| Sep 2, 2025 | Sep 4, 2025 | Zalevsky Jonathan | Chief R&D Officer | Sell | 45.0 | -485 | -2.47% | ✓ | $14.6K |
| Sep 2, 2025 | Sep 4, 2025 | ROBIN HOWARD W | CEO | Sell | 45.0 | -1,500 | -2.16% | ✓ | $45.2K |
| Aug 19, 2025 | Aug 21, 2025 | Zalevsky Jonathan | Chief R&D Officer | Sell | 46.3 | -725 | -3.56% | ✗ | $19.3K |
| Aug 19, 2025 | Aug 21, 2025 | Wilson Mark Andrew | Chief Legal Officer | Sell | 46.3 | -676 | -3.22% | ✗ | $18K |
| Aug 19, 2025 | Aug 21, 2025 | ROBIN HOWARD W | CEO | Sell | 46.3 | -1,573 | -2.22% | ✗ | $41.8K |
| May 19, 2025 | May 21, 2025 | Zalevsky Jonathan | Chief R&D Officer | Sell | 47.5 | -10,712 | -3.38% | ✗ | $7.2K |
| May 19, 2025 | May 21, 2025 | Wilson Mark Andrew | Chief Legal Officer | Sell | 47.5 | -9,996 | -3.08% | ✗ | $6.7K |
| May 19, 2025 | May 21, 2025 | ROBIN HOWARD W | CEO | Sell | 46.3 | -23,208 | -2.13% | ✗ | $15.5K |
| Feb 19, 2025 | Feb 21, 2025 | Zalevsky Jonathan | Chief R&D Officer | Sell | 46.3 | -10,300 | -3.15% | ✗ | $10.4K |
| Feb 19, 2025 | Feb 21, 2025 | Wilson Mark Andrew | Chief Legal Officer | Sell | 46.3 | -11,040 | -3.29% | ✗ | $11.2K |
| Feb 19, 2025 | Feb 21, 2025 | ROBIN HOWARD W | CEO | Sell | 46.3 | -23,774 | -2.14% | ✗ | $24K |
| Sep 18, 2024 | Jan 17, 2025 | WHITFIELD ROY A | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 18, 2024 | Jan 17, 2025 | GREER R SCOTT | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 18, 2024 | Jan 17, 2025 | CHESS ROBERT | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 18, 2024 | Jan 17, 2025 | Brainard Diana | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 18, 2024 | Jan 17, 2025 | Ajer Jeffrey Robert | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 23, 2024 | Dec 26, 2024 | Wilson Mark Andrew | Chief Legal Officer | Sell | 46.3 | -49,962 | -12.97% | ✗ | $44.8K |
| Dec 19, 2024 | Dec 20, 2024 | Zalevsky Jonathan | Chief R&D Officer | Sell | 46.3 | -51,115 | -13.52% | ✗ | $48K |
| Dec 17, 2024 | Dec 19, 2024 | ROBIN HOWARD W | CEO | Sell | 42.5 | -132,030 | -10.62% | ✗ | $131.6K |
| Dec 13, 2024 | Dec 17, 2024 | Zalevsky Jonathan | Chief R&D Officer | Neutral | 90.0 | +135,000 | 55.55% | ✗ | - |
| Dec 13, 2024 | Dec 17, 2024 | Wilson Mark Andrew | Chief Legal Officer | Neutral | 90.0 | +165,938 | 75.65% | ✗ | - |
| Dec 13, 2024 | Dec 17, 2024 | ROBIN HOWARD W | CEO | Neutral | 90.0 | +410,625 | 49.32% | ✗ | - |
| Nov 19, 2024 | Nov 20, 2024 | Zalevsky Jonathan | Chief R&D Officer | Sell | 47.5 | -7,785 | -3.10% | ✗ | $7.9K |
| Nov 19, 2024 | Nov 20, 2024 | Wilson Mark Andrew | Chief Legal Officer | Sell | 47.5 | -6,407 | -2.84% | ✗ | $6.5K |
| Nov 19, 2024 | Nov 20, 2024 | ROBIN HOWARD W | CEO | Sell | 46.3 | -16,278 | -1.92% | ✗ | $16.4K |
| Aug 19, 2024 | Aug 20, 2024 | Zalevsky Jonathan | Chief R&D Officer | Sell | 47.5 | -6,866 | -2.66% | ✗ | $8.8K |
| Aug 19, 2024 | Aug 20, 2024 | Wilson Mark Andrew | Chief Legal Officer | Sell | 47.5 | -5,651 | -2.45% | ✗ | $7.2K |
| Aug 19, 2024 | Aug 20, 2024 | ROBIN HOWARD W | CEO | Sell | 46.3 | -14,881 | -1.72% | ✗ | $19K |
| Jun 14, 2024 | Jun 14, 2024 | CHESS ROBERT | Director | Sell | 36.3 | -19,500 | -6.94% | ✓ | $23.4K |
| May 17, 2024 | May 20, 2024 | ROBIN HOWARD W | CEO | Sell | 46.3 | -16,650 | -1.89% | ✗ | $29.1K |
| May 17, 2024 | May 20, 2024 | Zalevsky Jonathan | Chief R&D Officer | Sell | 46.3 | -7,355 | -2.78% | ✗ | $12.9K |
| May 17, 2024 | May 20, 2024 | Wilson Mark Andrew | Chief Legal Officer | Sell | 46.3 | -6,260 | -2.64% | ✗ | $11K |
| May 10, 2024 | May 13, 2024 | Deep Track Capital, LP | 10% Owner | Sell | 40.0 | -56,000 | -0.30% | ✗ | $99.6K |
| Mar 14, 2024 | Deep Track Capital, LP | 10% Owner | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 20, 2024 | Feb 22, 2024 | Zalevsky Jonathan | Chief R&D Officer | Sell | 47.5 | -9,014 | -3.29% | ✗ | $6.1K |
| Feb 20, 2024 | Feb 22, 2024 | Wilson Mark Andrew | Chief Legal Officer | Sell | 47.5 | -7,606 | -3.11% | ✗ | $5.2K |
| Feb 20, 2024 | Feb 22, 2024 | ROBIN HOWARD W | CEO | Sell | 46.3 | -20,033 | -2.23% | ✗ | $13.6K |
| Dec 13, 2023 | Dec 15, 2023 | Zalevsky Jonathan | Chief R&D Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 13, 2023 | Dec 15, 2023 | Wilson Mark Andrew | Chief Legal Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 13, 2023 | Dec 15, 2023 | ROBIN HOWARD W | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 17, 2023 | Nov 20, 2023 | Zalevsky Jonathan | Chief R&D Officer | Sell | 47.5 | -9,646 | -3.40% | ✗ | $4.7K |
| Nov 17, 2023 | Nov 20, 2023 | Wilson Mark Andrew | Chief Legal Officer | Sell | 47.5 | -7,179 | -2.86% | ✗ | $3.5K |
| Nov 17, 2023 | Nov 20, 2023 | ROBIN HOWARD W | CEO | Sell | 47.5 | -19,877 | -2.16% | ✗ | $9.7K |
| Sep 19, 2023 | Sep 21, 2023 | GREER R SCOTT | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 19, 2023 | Sep 20, 2023 | WHITFIELD ROY A | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 18, 2023 | Sep 20, 2023 | Curet Myriam | Director | Sell | 27.5 | -4,359 | -13.72% | ✗ | $3K |
| Sep 22, 2022 | Sep 20, 2023 | CHESS ROBERT | Director | Sell | 42.5 | -10,200 | -3.50% | ✓ | $6.8K |
| Sep 19, 2023 | Sep 20, 2023 | Brainard Diana | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 18, 2023 | Sep 20, 2023 | Ajer Jeffrey Robert | Director | Sell | 27.5 | -4,359 | -11.32% | ✗ | $3K |
| Aug 16, 2023 | Aug 17, 2023 | Zalevsky Jonathan | Chief R&D Officer | Sell | 47.5 | -9,703 | -3.31% | ✗ | $7.6K |
| Aug 16, 2023 | Aug 17, 2023 | Wilson Mark Andrew | Chief Legal Officer | Sell | 47.5 | -7,221 | -2.80% | ✗ | $5.6K |
| Aug 16, 2023 | Aug 17, 2023 | ROBIN HOWARD W | CEO | Sell | 46.3 | -19,998 | -2.13% | ✗ | $15.6K |
| Jun 14, 2023 | Jun 15, 2023 | WHITFIELD ROY A | Director | Sell | 32.5 | -30,000 | -9.44% | ✓ | $17.1K |
| May 16, 2023 | May 17, 2023 | Zalevsky Jonathan | Chief R&D Officer | Sell | 47.5 | -9,791 | -3.23% | ✗ | $7K |
| May 16, 2023 | May 17, 2023 | Wilson Mark Andrew | Chief Legal Officer | Sell | 47.5 | -7,543 | -2.84% | ✗ | $5.4K |
| May 16, 2023 | May 17, 2023 | ROBIN HOWARD W | CEO | Sell | 46.3 | -20,361 | -2.12% | ✗ | $14.7K |
| Apr 25, 2023 | GARDINER SANDRA A. | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 16, 2023 | Feb 17, 2023 | Zalevsky Jonathan | Chief R&D Officer | Sell | 46.3 | -10,484 | -3.34% | ✗ | $31.5K |
| Feb 16, 2023 | Feb 17, 2023 | Wilson Mark Andrew | Chief Legal Officer | Sell | 46.3 | -8,275 | -3.03% | ✗ | $24.8K |
| Feb 16, 2023 | Feb 17, 2023 | Thomsen Jillian B. | CFO | Sell | 46.3 | -10,267 | -3.17% | ✗ | $30.8K |
| Feb 16, 2023 | Feb 17, 2023 | ROBIN HOWARD W | CEO | Sell | 42.5 | -19,635 | -2.00% | ✗ | $58.9K |
| Nov 16, 2022 | Nov 18, 2022 | Zalevsky Jonathan | Chief R&D Officer | Sell | 46.3 | -13,460 | -4.11% | ✗ | $48.1K |
| Nov 16, 2022 | Nov 18, 2022 | Wilson Mark Andrew | Chief Legal Officer | Sell | 46.3 | -8,690 | -3.09% | ✗ | $31K |
| Nov 16, 2022 | Nov 18, 2022 | Thomsen Jillian B. | CFO | Sell | 46.3 | -11,095 | -3.31% | ✗ | $39.6K |
| Nov 16, 2022 | Nov 18, 2022 | ROBIN HOWARD W | CEO | Sell | 42.5 | -38,014 | -3.73% | ✗ | $135.7K |
| Sep 23, 2022 | Sep 26, 2022 | Curet Myriam | Director | Sell | 26.3 | -4,198 | -11.67% | ✗ | $13.3K |
| Sep 23, 2022 | Sep 26, 2022 | Ajer Jeffrey Robert | Director | Sell | 26.3 | -4,198 | -9.83% | ✗ | $13.3K |
| Sep 22, 2022 | Sep 26, 2022 | CHESS ROBERT | Director | Sell | 48.8 | -5,100 | -1.72% | ✓ | $16.3K |
| Sep 16, 2022 | Sep 20, 2022 | WHITFIELD ROY A | Director | Neutral | 82.5 | +10,200 | 3.32% | ✗ | - |
| Sep 16, 2022 | Sep 20, 2022 | GREER R SCOTT | Director | Neutral | 82.5 | +10,200 | 3.48% | ✗ | - |
| Sep 16, 2022 | Sep 20, 2022 | EASTHAM KARIN | Director | Neutral | 90.0 | +10,200 | 78.26% | ✗ | - |
| Sep 16, 2022 | Sep 20, 2022 | Curet Myriam | Director | Neutral | 90.0 | +10,200 | 39.57% | ✗ | - |
| Sep 16, 2022 | Sep 20, 2022 | CHESS ROBERT | Director | Neutral | 82.5 | +10,200 | 3.56% | ✗ | - |
| Sep 16, 2022 | Sep 20, 2022 | Brainard Diana | Director | Neutral | 90.0 | +10,200 | 55.56% | ✗ | - |
| Sep 16, 2022 | Sep 20, 2022 | Ajer Jeffrey Robert | Director | Neutral | 90.0 | +10,200 | 31.37% | ✗ | - |
| Sep 13, 2022 | Sep 14, 2022 | EASTHAM KARIN | Director | Sell | 10.0 | -21,267 | -62.00% | ✓ | $76.8K |
| Aug 18, 2022 | Aug 19, 2022 | Zalevsky Jonathan | Chief R&D Officer | Sell | 17.5 | -73,716 | -18.39% | ✓ | $342.8K |
| Aug 15, 2022 | Aug 17, 2022 | Zalevsky Jonathan | Chief R&D Officer | Sell | 95.0 | +124,440 | 45.02% | ✗ | $50.3K |
| Aug 15, 2022 | Aug 17, 2022 | Wilson Mark Andrew | SVP & General Counsel | Sell | 91.3 | +162,749 | 137.41% | ✗ | $15.2K |
| Aug 15, 2022 | Aug 17, 2022 | Thomsen Jillian B. | SVP & Chief Accounting Officer | Sell | 90.0 | +163,932 | 95.91% | ✗ | $9.5K |
| Aug 15, 2022 | Aug 17, 2022 | ROBIN HOWARD W | CEO | Sell | 95.0 | +396,866 | 63.87% | ✗ | $65.5K |
| May 15, 2022 | May 17, 2022 | Zalevsky Jonathan | Chief R&D Officer | Sell | 72.5 | +2,277 | 0.83% | ✗ | $85.6K |
| May 16, 2022 | May 17, 2022 | Wilson Mark Andrew | SVP & General Counsel | Sell | 46.3 | -3,136 | -2.59% | ✗ | $12.4K |
| May 15, 2022 | May 17, 2022 | Thomsen Jillian B. | SVP & Chief Accounting Officer | Sell | 83.8 | +5,109 | 3.09% | ✗ | $23.1K |