2026Q1
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| RA Capital Healthcare Fund LP | — | 12,788,457 | May 7, 2020 |
| Ra Capital Management, L.P. | 10% Owner | 12,629,868 | Sep 11, 2020 |
| Kolchinsky Peter | 10% Owner | 12,629,868 | Sep 11, 2020 |
| Shah Rajeev M. | 10% Owner | 12,629,868 | Sep 11, 2020 |
| Weiss Michael S | CEO | 9,156,086 | Nov 7, 2025 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Jan 28, 2026 | Jan 29, 2026 | Charney Laurence N | Director | Neutral | 27.5 | -43,197 | -19.38% | ✗ | - |
| Jan 8, 2026 | Jan 9, 2026 | WEISS MICHAEL S | CEO | Neutral | 85.0 | +622,000 | 6.79% | ✗ | - |
| Jan 8, 2026 | Jan 9, 2026 | Power Sean A | CFO | Neutral | 90.0 | +90,000 | 12.71% | ✗ | - |
| Nov 24, 2025 | Nov 25, 2025 | Echelard Yann | Director | Sell | 22.5 | -5,000 | -2.19% | ✗ | $162.9K |
| Nov 5, 2025 | Nov 7, 2025 | WEISS MICHAEL S | CEO | Neutral | 27.5 | -4,668,843 | -33.77% | ✗ | - |
| Sep 11, 2025 | Sep 12, 2025 | Lonial Sagar | Director | Sell | 20.0 | -20,852 | -18.15% | ✗ | $672.3K |
| Jun 12, 2025 | Jun 16, 2025 | Echelard Yann | Director | Sell | 85.0 | +4,718 | 2.11% | ✗ | $369.4K |
| Jun 12, 2025 | Jun 16, 2025 | Charney Laurence N | Director | Neutral | 90.0 | +21,408 | 10.63% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Hoberman Kenneth | Director | Neutral | 85.0 | +14,718 | 5.56% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | HUME DANIEL | Director | Neutral | 85.0 | +14,718 | 8.27% | ✗ | - |
| Jun 12, 2025 | Jun 16, 2025 | Lonial Sagar | Director | Neutral | 90.0 | +14,718 | 14.69% | ✗ | - |
| Mar 17, 2025 | Mar 18, 2025 | HUME DANIEL | Director | Neutral | 27.5 | -62,459 | -25.97% | ✗ | - |
| Mar 10, 2025 | Mar 11, 2025 | Charney Laurence N | Director | Neutral | 27.5 | -6,000 | -2.89% | ✗ | - |
| Jan 29, 2025 | Jan 30, 2025 | WEISS MICHAEL S | CEO | Neutral | 85.0 | +750,000 | 5.74% | ✗ | - |
| Jan 29, 2025 | Jan 30, 2025 | Power Sean A | CFO | Neutral | 90.0 | +87,500 | 14.10% | ✗ | - |
| Jan 3, 2025 | Jan 7, 2025 | Power Sean A | CFO | Sell | 40.0 | -21,358 | -3.13% | ✗ | $629.4K |
| Nov 11, 2024 | Nov 12, 2024 | Lonial Sagar | Director | Sell | 22.5 | -5,000 | -4.75% | ✗ | $152.2K |
| Nov 11, 2024 | Nov 12, 2024 | Charney Laurence N | Director | Sell | 20.0 | -30,000 | -12.63% | ✗ | $754.9K |
| Nov 5, 2024 | Nov 7, 2024 | Echelard Yann | Director | Sell | 20.0 | -20,000 | -8.19% | ✗ | $489.6K |
| Jun 17, 2024 | Jun 20, 2024 | Lonial Sagar | Director | Sell | 20.0 | -3,683 | -3.38% | ✗ | $432.9K |
| Jun 19, 2024 | Jun 20, 2024 | HUME DANIEL | Director | Neutral | 90.0 | +22,250 | 10.20% | ✗ | - |
| Jun 19, 2024 | Jun 20, 2024 | Hoberman Kenneth | Director | Neutral | 85.0 | +22,250 | 9.17% | ✗ | - |
| Jun 19, 2024 | Jun 20, 2024 | Echelard Yann | Director | Neutral | 90.0 | +22,250 | 10.03% | ✗ | - |
| Jun 19, 2024 | Jun 20, 2024 | Charney Laurence N | Director | Neutral | 90.0 | +22,250 | 10.34% | ✗ | - |
| Mar 13, 2024 | Mar 15, 2024 | Lonial Sagar | Director | Sell | 22.5 | -5,000 | -4.39% | ✗ | $79.7K |
| Mar 12, 2024 | Mar 13, 2024 | Charney Laurence N | Director | Sell | 20.0 | -22,000 | -9.27% | ✗ | $351.3K |
| Dec 15, 2023 | Feb 14, 2024 | Power Sean A | CFO | Neutral | 27.5 | -40,000 | -5.87% | ✗ | - |
| Jan 5, 2024 | Jan 8, 2024 | Charney Laurence N | Director | Sell | 20.0 | -17,500 | -6.87% | ✗ | $333K |
| Jan 6, 2024 | Jan 8, 2024 | WEISS MICHAEL S | CEO | Neutral | 85.0 | +1,001,908 | 8.30% | ✗ | - |
| Jan 3, 2024 | Jan 5, 2024 | Power Sean A | CFO | Sell | 90.0 | +27,133 | 4.14% | ✗ | $809.4K |
| Sep 28, 2023 | Sep 29, 2023 | Lonial Sagar | Director | Neutral | 27.5 | -20,000 | -14.94% | ✗ | - |
| Sep 28, 2023 | Sep 29, 2023 | HUME DANIEL | Director | Neutral | 90.0 | +20,000 | 10.09% | ✗ | - |
| Sep 28, 2023 | Sep 29, 2023 | Hoberman Kenneth | Director | Neutral | 85.0 | +20,000 | 8.98% | ✗ | - |
| Sep 28, 2023 | Sep 29, 2023 | Echelard Yann | Director | Neutral | 85.0 | +20,000 | 9.91% | ✗ | - |
| Sep 28, 2023 | Sep 29, 2023 | Charney Laurence N | Director | Neutral | 85.0 | +20,000 | 8.52% | ✗ | - |
| Aug 11, 2023 | Aug 14, 2023 | WEISS MICHAEL S | CEO | Buy | 77.5 | +100,000 | 0.84% | ✗ | $1M |
| Jun 23, 2023 | Jun 26, 2023 | Lonial Sagar | Director | Sell | 40.0 | -34,854 | -27.07% | ✗ | $814.5K |
| Jun 2, 2023 | Jun 5, 2023 | Power Sean A | CFO | Sell | 37.5 | -73,647 | -10.11% | ✗ | $2M |
| Mar 12, 2023 | Mar 14, 2023 | Power Sean A | CFO | Neutral | 90.0 | +85,000 | 13.21% | ✗ | - |
| Mar 12, 2023 | Mar 14, 2023 | WEISS MICHAEL S | CEO | Neutral | 85.0 | +985,000 | 8.96% | ✗ | - |
| Jan 6, 2023 | Jan 6, 2023 | Echelard Yann | Director | Buy | 87.5 | +9,000 | 4.67% | ✗ | $95.8K |
| Jan 4, 2023 | Jan 6, 2023 | Charney Laurence N | Director | Sell | 20.0 | -30,000 | -11.33% | ✗ | $333K |
| Jul 20, 2022 | Jul 22, 2022 | WEISS MICHAEL S | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 20, 2022 | Jul 22, 2022 | Power Sean A | CFO | Neutral | 90.0 | +75,000 | 13.19% | ✗ | - |
| Jul 20, 2022 | Jul 22, 2022 | Lonial Sagar | Director | Neutral | 90.0 | +43,732 | 51.45% | ✗ | - |
| Jul 20, 2022 | Jul 22, 2022 | HUME DANIEL | Director | Neutral | 90.0 | +43,732 | 28.30% | ✗ | - |
| Jul 20, 2022 | Jul 22, 2022 | Hoberman Kenneth | Director | Neutral | 90.0 | +43,732 | 24.44% | ✗ | - |
| Jul 20, 2022 | Jul 22, 2022 | Echelard Yann | Director | Neutral | 90.0 | +43,732 | 29.33% | ✗ | - |
| Jul 20, 2022 | Jul 22, 2022 | Charney Laurence N | Director | Neutral | 90.0 | +43,732 | 19.79% | ✗ | - |
| Jan 4, 2022 | Jan 7, 2022 | Power Sean A | CFO | Sell | 37.5 | -84,965 | -13.00% | ✗ | $1.6M |
| Dec 15, 2021 | Jan 7, 2022 | WEISS MICHAEL S | CEO | Sell | 40.0 | -723,826 | -0.91% | ✗ | $1.3M |
| Jun 18, 2021 | Jun 22, 2021 | Power Sean A | CFO | Neutral | 82.5 | +25,000 | 3.98% | ✗ | - |
| Jun 18, 2021 | Jun 22, 2021 | WEISS MICHAEL S | CEO | Neutral | 85.0 | +1,080,770 | 8.27% | ✗ | - |
| Jun 18, 2021 | Jun 22, 2021 | Lonial Sagar | Director | Neutral | 90.0 | +20,000 | 30.77% | ✗ | - |
| Jun 18, 2021 | Jun 22, 2021 | HUME DANIEL | Director | Neutral | 90.0 | +20,000 | 14.87% | ✗ | - |
| Jun 18, 2021 | Jun 22, 2021 | Hoberman Kenneth | Director | Neutral | 90.0 | +20,000 | 12.58% | ✗ | - |
| Jun 18, 2021 | Jun 22, 2021 | Echelard Yann | Director | Neutral | 90.0 | +20,000 | 15.49% | ✗ | - |
| Jun 18, 2021 | Jun 22, 2021 | Charney Laurence N | Director | Neutral | 90.0 | +60,000 | 37.27% | ✗ | - |
| Oct 9, 2020 | Feb 12, 2021 | Power Sean A | CFO | Neutral | 27.5 | -132,000 | -17.34% | ✗ | - |
| Dec 30, 2020 | Jan 4, 2021 | Power Sean A | CFO | Neutral | 82.5 | +20,000 | 3.16% | ✗ | - |
| Sep 10, 2020 | Dec 31, 2020 | WEISS MICHAEL S | CEO | Neutral | 27.5 | -1,366,132 | -4.97% | ✗ | - |
| Dec 10, 2020 | Dec 11, 2020 | Echelard Yann | Director | Sell | 17.5 | -30,000 | -18.85% | ✗ | $1.2M |
| Sep 9, 2020 | Sep 11, 2020 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | Sell | 17.5 | -158,589 | -1.24% | ✗ | $4.1M |
| Jul 16, 2020 | Jul 20, 2020 | Power Sean A | CFO | Neutral | 90.0 | +250,000 | 65.22% | ✗ | - |
| Jun 22, 2020 | Jul 2, 2020 | Lonial Sagar | Director | Neutral | 90.0 | +65,000 | 100.00% | ✗ | - |
| Jul 2, 2020 | Lonial Sagar | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 22, 2020 | Jun 24, 2020 | WEISS MICHAEL S | CEO | Neutral | 90.0 | +1,556,029 | 12.08% | ✗ | - |
| Jun 22, 2020 | Jun 24, 2020 | HUME DANIEL | Director | Neutral | 90.0 | +15,000 | 12.55% | ✗ | - |
| Jun 22, 2020 | Jun 24, 2020 | Hoberman Kenneth | Director | Neutral | 90.0 | +15,000 | 10.42% | ✗ | - |
| Jun 22, 2020 | Jun 24, 2020 | Echelard Yann | Director | Neutral | 90.0 | +15,000 | 10.41% | ✗ | - |
| Jun 22, 2020 | Jun 24, 2020 | Charney Laurence N | Director | Neutral | 90.0 | +15,000 | 10.27% | ✗ | - |
| Jun 17, 2020 | Jun 24, 2020 | KENNEDY WILLIAM JAMES | Director | Sell | 22.5 | -22,745 | -10.02% | ✗ | $141.5K |
| May 7, 2020 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Sep 17, 2019 | Sep 18, 2019 | Hoberman Kenneth | Director | Neutral | 90.0 | +27,048 | 23.14% | ✗ | - |
| Sep 17, 2019 | Sep 18, 2019 | Charney Laurence N | Director | Neutral | 90.0 | +27,048 | 22.74% | ✗ | - |
| Sep 17, 2019 | Sep 18, 2019 | Echelard Yann | Director | Neutral | 90.0 | +27,048 | 23.10% | ✗ | - |
| Sep 17, 2019 | Sep 18, 2019 | KENNEDY WILLIAM JAMES | Director | Neutral | 90.0 | +27,048 | 35.91% | ✗ | - |
| Sep 17, 2019 | Sep 18, 2019 | HUME DANIEL | Director | Neutral | 90.0 | +27,048 | 29.25% | ✗ | - |
| Jul 1, 2019 | Jul 3, 2019 | Power Sean A | CFO | Sell | 42.5 | -17,654 | -4.40% | ✗ | $149.5K |
| Jun 26, 2019 | Jun 27, 2019 | WEISS MICHAEL S | CEO | Buy | 67.5 | +50,000 | 0.39% | ✗ | $351.8K |
| Jun 13, 2019 | Jun 14, 2019 | WEISS MICHAEL S | CEO | Neutral | 90.0 | +1,179,380 | 10.12% | ✗ | - |
| Jan 2, 2019 | Jan 3, 2019 | Power Sean A | CFO | Sell | 42.5 | -37,275 | -8.51% | ✗ | $153.9K |
| Jul 2, 2018 | Jul 5, 2018 | Power Sean A | CFO | Sell | 40.0 | -47,191 | -9.72% | ✗ | $623.3K |
| Jun 26, 2018 | Jul 2, 2018 | Charney Laurence N | Director | Neutral | 90.0 | +15,000 | 14.43% | ✗ | - |
| Jun 26, 2018 | Jun 28, 2018 | Hoberman Kenneth | Director | Neutral | 90.0 | +15,000 | 14.72% | ✗ | - |
| Jun 26, 2018 | Jun 28, 2018 | KENNEDY WILLIAM JAMES | Director | Neutral | 90.0 | +15,000 | 24.86% | ✗ | - |
| Jun 26, 2018 | Jun 28, 2018 | WEISS MICHAEL S | CEO | Neutral | 85.0 | +1,018,011 | 9.58% | ✗ | - |
| Jun 26, 2018 | Jun 28, 2018 | HUME DANIEL | Director | Neutral | 90.0 | +15,000 | 19.37% | ✗ | - |
| Jun 26, 2018 | Jun 28, 2018 | Echelard Yann | Director | Neutral | 90.0 | +15,000 | 14.70% | ✗ | - |
| Jun 26, 2018 | Jun 28, 2018 | SCHOENEBAUM MARK | Director | Neutral | 90.0 | +15,000 | 13.52% | ✗ | - |
| Jun 14, 2018 | Jun 18, 2018 | KENNEDY WILLIAM JAMES | Director | Sell | 20.0 | -25,071 | -29.36% | ✗ | $337.2K |
| Dec 29, 2017 | Jan 3, 2018 | Power Sean A | CFO | Sell | 92.5 | +37,994 | 8.49% | ✗ | $272.1K |
| Jun 19, 2017 | Jun 19, 2017 | WEISS MICHAEL S | CEO | Neutral | 77.5 | +484,877 | 2.43% | ✗ | - |
| Jun 16, 2017 | Jun 19, 2017 | KENNEDY WILLIAM JAMES | Director | Neutral | 90.0 | +15,000 | 21.31% | ✗ | - |
| Jun 16, 2017 | Jun 19, 2017 | Charney Laurence N | Director | Neutral | 90.0 | +15,000 | 16.86% | ✗ | - |
| Jun 16, 2017 | Jun 19, 2017 | Hoberman Kenneth | Director | Neutral | 90.0 | +15,000 | 17.26% | ✗ | - |
| Jun 16, 2017 | Jun 19, 2017 | HUME DANIEL | Director | Neutral | 90.0 | +15,000 | 24.02% | ✗ | - |
| Jun 16, 2017 | Jun 19, 2017 | Echelard Yann | Director | Neutral | 90.0 | +15,000 | 17.23% | ✗ | - |
| Jun 16, 2017 | Jun 19, 2017 | SCHOENEBAUM MARK | Director | Neutral | 90.0 | +15,000 | 15.63% | ✗ | - |
| Jun 16, 2017 | Jun 19, 2017 | Power Sean A | CFO | Sell | 40.0 | -59,976 | -11.82% | ✗ | $665.1K |