2026Q1
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Agenus Inc | 10% Owner | 21,772,863 | Oct 16, 2023 |
| Incyte Corp | 10% Owner | 17,763,968 | Feb 14, 2017 |
| QVT Associates GP LLC | 10% Owner | 6,915,630 | Jan 13, 2015 |
| QVT Fund V LP | 10% Owner | 6,915,630 | Jan 13, 2015 |
| Cuillerot Jean-Marie | — | 232,500 | Apr 4, 2017 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Feb 20, 2026 | Feb 24, 2026 | ARMEN GARO H | Officer | Neutral | 77.5 | +4,829 | 1.27% | ✗ | - |
| Feb 6, 2026 | Feb 9, 2026 | ARMEN GARO H | Officer | Neutral | 77.5 | +5,027 | 1.34% | ✗ | - |
| Jan 23, 2026 | Jan 26, 2026 | ARMEN GARO H | Officer | Neutral | 77.5 | +4,562 | 1.23% | ✗ | - |
| Jan 16, 2026 | Charette Austin | Principal Accounting Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jan 9, 2026 | Jan 12, 2026 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,780 | 1.03% | ✗ | - |
| Jan 2, 2026 | Jan 5, 2026 | HARRISON THOMAS L | Director | Neutral | 90.0 | +7,691 | 34.83% | ✗ | - |
| Jan 2, 2026 | Jan 5, 2026 | Wright Timothy | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 26, 2025 | Dec 29, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +4,942 | 1.36% | ✗ | - |
| Dec 12, 2025 | Dec 15, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +4,316 | 1.20% | ✗ | - |
| Nov 28, 2025 | Dec 1, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,587 | 1.01% | ✗ | - |
| Nov 14, 2025 | Nov 17, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,769 | 1.07% | ✗ | - |
| Oct 31, 2025 | Nov 5, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +4,120 | 1.19% | ✗ | - |
| Oct 17, 2025 | Oct 21, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +4,216 | 1.23% | ✗ | - |
| Oct 3, 2025 | Oct 6, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,951 | 1.17% | ✗ | - |
| Oct 1, 2025 | Oct 3, 2025 | HARRISON THOMAS L | Director | Neutral | 90.0 | +5,780 | 35.46% | ✗ | - |
| Oct 1, 2025 | Oct 3, 2025 | Wright Timothy | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 19, 2025 | Sep 23, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,734 | 1.11% | ✗ | - |
| Sep 5, 2025 | Sep 9, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,778 | 1.14% | ✗ | - |
| Aug 22, 2025 | Aug 26, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,619 | 1.10% | ✗ | - |
| Aug 8, 2025 | Aug 11, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,407 | 1.05% | ✗ | - |
| Jul 25, 2025 | Jul 28, 2025 | ARMEN GARO H | Officer | Neutral | 67.5 | +2,745 | 0.85% | ✗ | - |
| Jul 11, 2025 | Jul 15, 2025 | ARMEN GARO H | Officer | Neutral | 67.5 | +2,317 | 0.73% | ✗ | - |
| Jul 1, 2025 | Jul 15, 2025 | HARRISON THOMAS L | Director | Neutral | 90.0 | +7,401 | 83.18% | ✗ | - |
| Jul 1, 2025 | Jul 3, 2025 | Wright Timothy | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 18, 2025 | Jun 30, 2025 | ARMEN GARO H | Officer | Neutral | 90.0 | +64,833 | 25.50% | ✗ | - |
| Jun 18, 2025 | Jun 30, 2025 | KLASKIN CHRISTINE M | PFO & PAO | Neutral | 90.0 | +15,782 | 205.07% | ✗ | - |
| Jun 18, 2025 | Jun 30, 2025 | O'Day Steven J | Chief Medical Officer | Neutral | 90.0 | +43,497 | 319.38% | ✗ | - |
| Jun 17, 2025 | Jun 20, 2025 | Wright Timothy | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2025 | Jun 20, 2025 | Hirsch Susan B | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2025 | Jun 20, 2025 | Corvese Brian | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2025 | Jun 20, 2025 | ARMEN GARO H | Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 17, 2025 | Jun 20, 2025 | KLASKIN CHRISTINE M | PFO & PAO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2025 | Jun 17, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,480 | 1.39% | ✗ | - |
| May 30, 2025 | Jun 3, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +4,769 | 1.94% | ✗ | - |
| May 16, 2025 | May 20, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +4,700 | 1.95% | ✗ | - |
| May 2, 2025 | May 6, 2025 | Buell Jennifer | Director | Neutral | 82.5 | +581 | 3.03% | ✗ | - |
| Apr 18, 2025 | May 5, 2025 | Buell Jennifer | Director | Neutral | 82.5 | +869 | 4.75% | ✗ | - |
| May 2, 2025 | May 5, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +5,260 | 2.23% | ✗ | - |
| Apr 18, 2025 | Apr 22, 2025 | ARMEN GARO H | Officer | Neutral | 82.5 | +7,886 | 3.46% | ✗ | - |
| Apr 4, 2025 | Apr 10, 2025 | Buell Jennifer | Director | Neutral | 85.0 | +1,159 | 6.77% | ✗ | - |
| Apr 4, 2025 | Apr 8, 2025 | ARMEN GARO H | Officer | Neutral | 82.5 | +10,288 | 4.72% | ✗ | - |
| Apr 1, 2025 | Apr 3, 2025 | HARRISON THOMAS L | Director | Neutral | 90.0 | +8,898 | 100.00% | ✗ | - |
| Apr 1, 2025 | Apr 2, 2025 | Wright Timothy | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 21, 2025 | Mar 27, 2025 | Buell Jennifer | Director | Neutral | 85.0 | +1,123 | 7.02% | ✗ | - |
| Mar 7, 2025 | Mar 24, 2025 | Buell Jennifer | Director | Neutral | 82.5 | +409 | 2.68% | ✗ | - |
| Mar 21, 2025 | Mar 24, 2025 | ARMEN GARO H | Officer | Neutral | 82.5 | +9,243 | 4.43% | ✗ | - |
| Feb 21, 2025 | Mar 11, 2025 | Buell Jennifer | Director | Neutral | 82.5 | +545 | 3.71% | ✗ | - |
| Mar 7, 2025 | Mar 11, 2025 | ARMEN GARO H | Officer | Neutral | 82.5 | +6,332 | 3.13% | ✗ | - |
| Feb 21, 2025 | Mar 5, 2025 | Buell Jennifer | Director | Neutral | 82.5 | +626 | 4.26% | ✗ | - |
| Feb 21, 2025 | Feb 25, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +4,483 | 2.27% | ✗ | - |
| Feb 7, 2025 | Feb 18, 2025 | Buell Jennifer | Director | Neutral | 82.5 | +516 | 3.64% | ✗ | - |
| Feb 7, 2025 | Feb 11, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +4,251 | 2.20% | ✗ | - |
| Jan 24, 2025 | Feb 4, 2025 | Buell Jennifer | Director | Sell | 47.5 | -270 | -1.87% | ✗ | $963.9 |
| Jan 24, 2025 | Jan 28, 2025 | Buell Jennifer | Director | Neutral | 85.0 | +776 | 5.68% | ✗ | - |
| Jan 24, 2025 | Jan 28, 2025 | ARMEN GARO H | Officer | Neutral | 77.5 | +4,169 | 2.20% | ✗ | - |
| Jan 10, 2025 | Jan 13, 2025 | ARMEN GARO H | Officer | Neutral | 82.5 | +4,777 | 2.59% | ✗ | - |
| Jan 2, 2025 | Jan 2, 2025 | Wright Timothy | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 1, 2025 | Jan 2, 2025 | Hirsch Susan B | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 27, 2024 | Dec 30, 2024 | ARMEN GARO H | Officer | Neutral | 82.5 | +5,931 | 3.32% | ✗ | - |
| Dec 13, 2024 | Dec 16, 2024 | ARMEN GARO H | Officer | Neutral | 82.5 | +5,347 | 3.08% | ✗ | - |
| Nov 29, 2024 | Dec 3, 2024 | ARMEN GARO H | Officer | Neutral | 82.5 | +4,769 | 2.83% | ✗ | - |
| Nov 14, 2024 | Nov 18, 2024 | KLASKIN CHRISTINE M | PFO & PAO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 15, 2024 | Nov 18, 2024 | ARMEN GARO H | Officer | Neutral | 82.5 | +5,997 | 3.69% | ✗ | - |
| Nov 14, 2024 | Nov 18, 2024 | Buell Jennifer | Chair | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 14, 2024 | Nov 18, 2024 | O'Day Steven J | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 1, 2024 | Nov 4, 2024 | ARMEN GARO H | Officer | Neutral | 82.5 | +4,207 | 2.66% | ✗ | - |
| Oct 18, 2024 | Oct 21, 2024 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,530 | 2.28% | ✗ | - |
| Oct 4, 2024 | Oct 7, 2024 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,349 | 2.21% | ✗ | - |
| Oct 1, 2024 | Oct 3, 2024 | WIINBERG ULF | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 1, 2024 | Oct 3, 2024 | Wright Timothy | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 1, 2024 | Oct 3, 2024 | Hirsch Susan B | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 20, 2024 | Sep 24, 2024 | ARMEN GARO H | Officer | Neutral | 77.5 | +2,793 | 1.88% | ✗ | - |
| Sep 6, 2024 | Sep 9, 2024 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,295 | 2.26% | ✗ | - |
| Aug 23, 2024 | Aug 27, 2024 | ARMEN GARO H | Officer | Neutral | 77.5 | +2,982 | 2.09% | ✗ | - |
| Aug 9, 2024 | Aug 12, 2024 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,204 | 2.30% | ✗ | - |
| Aug 8, 2024 | HARRISON THOMAS L | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Aug 7, 2024 | Aug 8, 2024 | HARRISON THOMAS L | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 26, 2024 | Jul 29, 2024 | ARMEN GARO H | Officer | Neutral | 77.5 | +2,486 | 1.82% | ✗ | - |
| Jul 12, 2024 | Jul 15, 2024 | ARMEN GARO H | Officer | Neutral | 67.5 | +1,046 | 0.77% | ✗ | - |
| Jun 28, 2024 | Jul 1, 2024 | ARMEN GARO H | Officer | Neutral | 67.5 | +973 | 0.72% | ✗ | - |
| Jul 1, 2024 | Jul 1, 2024 | Wright Timothy | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 1, 2024 | Jul 1, 2024 | WIINBERG ULF | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 1, 2024 | Jul 1, 2024 | Hirsch Susan B | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 20, 2024 | Buell Jennifer | Chair | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 11, 2024 | Jun 18, 2024 | O'Day Steven J | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 11, 2024 | Jun 18, 2024 | KLASKIN CHRISTINE M | PFO & PAO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 11, 2024 | Jun 18, 2024 | Wright Timothy | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 11, 2024 | Jun 18, 2024 | Corvese Brian | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 14, 2024 | Jun 18, 2024 | ARMEN GARO H | Officer | Neutral | 67.5 | +1,055 | 0.79% | ✗ | - |
| May 31, 2024 | Jun 3, 2024 | ARMEN GARO H | Officer | Neutral | 67.5 | +1,040 | 0.78% | ✗ | - |
| May 17, 2024 | May 20, 2024 | ARMEN GARO H | Officer | Neutral | 77.5 | +1,502 | 1.14% | ✗ | - |
| May 3, 2024 | May 7, 2024 | ARMEN GARO H | Officer | Neutral | 67.5 | +1,248 | 0.96% | ✗ | - |
| Feb 5, 2024 | Apr 22, 2024 | Hirsch Susan B | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 5, 2024 | Apr 22, 2024 | WIINBERG ULF | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 5, 2024 | Apr 22, 2024 | Corvese Brian | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 5, 2024 | Apr 22, 2024 | Jeynes-Ellis Allison M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 5, 2024 | Apr 22, 2024 | Wright Timothy | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Apr 19, 2024 | Apr 22, 2024 | ARMEN GARO H | Officer | Neutral | 77.5 | +3,080 | 2.43% | ✗ | - |
| Apr 5, 2024 | Apr 8, 2024 | ARMEN GARO H | Officer | Neutral | 77.5 | +32,697 | 1.30% | ✗ | - |
| Apr 1, 2024 | Apr 1, 2024 | Wright Timothy | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |