2026Q1
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Kessel Mark | Director | 27,117,118 | Jan 4, 2011 |
| Symphony Capital Partners LP | — | 27,117,118 | Aug 12, 2009 |
| Symphony Capital Gp, L.P. | — | 27,117,118 | Aug 12, 2009 |
| Symphony Gp, Llc | — | 27,117,118 | Aug 12, 2009 |
| SYMPHONY ViDA HOLDINGS LLC | — | 27,117,118 | Aug 12, 2009 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Jan 22, 2026 | Jan 26, 2026 | Trieu Vuong | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Nov 17, 2025 | Nov 19, 2025 | Trieu Vuong | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 10, 2025 | Jul 10, 2025 | Trieu Vuong | CEO | Buy | 55.0 | +198,737 | 0.07% | ✗ | $993.7 |
| Jan 29, 2025 | Jan 31, 2025 | Trieu Vuong | CEO | Buy | 60.0 | +346,844 | 0.30% | ✗ | $9.7K |
| Nov 22, 2024 | Nov 26, 2024 | Trieu Vuong | CEO | Buy | 60.0 | +298,499 | 0.26% | ✗ | $8.6K |
| Aug 23, 2024 | Aug 27, 2024 | Trieu Vuong | CEO | Buy | 61.3 | +500,000 | 0.43% | ✗ | $10K |
| Jun 29, 2023 | Jun 30, 2023 | Trieu Vuong | CEO | Buy | 61.3 | +500,000 | 0.43% | ✗ | $10.9K |
| Jun 16, 2023 | Jun 20, 2023 | Trieu Vuong | CEO | Buy | 55.0 | +100,000 | 0.09% | ✗ | $2.6K |
| Jun 14, 2023 | Jun 16, 2023 | Trieu Vuong | CEO | Buy | 61.3 | +400,000 | 0.35% | ✗ | $13K |
| May 26, 2023 | May 31, 2023 | Trieu Vuong | CEO | Buy | 55.0 | +126,888 | 0.11% | ✗ | $4.3K |
| May 2, 2023 | May 2, 2023 | Trieu Vuong | CEO | Buy | 55.0 | +100,000 | 0.09% | ✗ | $4.5K |
| Dec 6, 2022 | Dec 7, 2022 | Trieu Vuong | CEO | Buy | 55.0 | +120,000 | 0.11% | ✗ | $6K |
| Nov 22, 2022 | Nov 25, 2022 | Trieu Vuong | CEO | Buy | 55.0 | +70,000 | 0.06% | ✗ | $5.6K |
| Sep 26, 2022 | Sep 28, 2022 | Trieu Vuong | CEO | Buy | 47.5 | +20,000 | 0.02% | ✗ | $1.4K |
| Aug 25, 2022 | Aug 29, 2022 | Trieu Vuong | CEO | Buy | 55.0 | +80,000 | 0.07% | ✗ | $6.6K |
| Sep 3, 2021 | Sep 8, 2021 | Trieu Vuong | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 3, 2021 | Sep 8, 2021 | MAIDA ANTHONY E III | Chief Clin. Ops. Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 3, 2021 | Sep 8, 2021 | KING STEVEN W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 3, 2021 | Sep 8, 2021 | Saund Saran | Chief Business Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 31, 2021 | Jul 16, 2021 | MAIDA ANTHONY E III | CHIEF CLINICAL OFFICER | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 31, 2021 | Jul 16, 2021 | Trieu Vuong | CEO | Neutral | 60.0 | +259,302 | 0.29% | ✗ | - |
| Mar 31, 2021 | Jul 16, 2021 | KING STEVEN W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 8, 2021 | Jul 16, 2021 | Shah Amit B. | CFO | Neutral | 90.0 | +298,837 | 498.06% | ✗ | - |
| Jul 8, 2021 | Jul 16, 2021 | Diamond David | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 31, 2021 | Jul 16, 2021 | Saund Saran | CHIEF BUSINESS OFFICER | Neutral | 67.5 | +102,519 | 0.63% | ✗ | - |
| Nov 20, 2020 | Nov 24, 2020 | Shah Amit B. | CFO | Buy | 91.3 | +60,000 | 100.00% | ✗ | $11.6K |
| Nov 19, 2020 | Nov 23, 2020 | Park Chulho | CHIEF TECHNOLOGY OFFICER | Buy | 67.5 | +22,173 | 0.79% | ✗ | $4.1K |
| Nov 19, 2020 | Nov 23, 2020 | Trieu Vuong | CEO | Buy | 60.0 | +50,500 | 0.25% | ✗ | $9.6K |
| May 21, 2020 | MAIDA ANTHONY E III | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| May 21, 2020 | KING STEVEN W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Mar 26, 2020 | Mar 27, 2020 | Trieu Vuong | CEO | Buy | 47.5 | +3,000 | 0.02% | ✗ | $360 |
| Feb 10, 2020 | Diamond David | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| May 2, 2019 | Trieu Vuong | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| May 2, 2019 | Uckun Fatih | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| May 2, 2019 | Hsiao Chao | 10% Owner | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| May 2, 2019 | Hwang Larn | 10% Owner | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| May 2, 2019 | Park Chulho | Chief Technical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 20, 2018 | Jun 22, 2018 | Schwieterman William D | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 20, 2018 | Jun 22, 2018 | SANDAGE BOBBY W. JR., PHD. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 20, 2018 | Jun 22, 2018 | Reynolds Donald Rogers | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 20, 2018 | Jun 22, 2018 | Pedder Simon | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 20, 2018 | Jun 22, 2018 | LOAR MATTHEW M | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 20, 2018 | Jun 22, 2018 | CHAPLIN DAVID | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Apr 12, 2018 | Apr 16, 2018 | Reynolds Donald Rogers | Director | Neutral | 90.0 | +250,000 | 833.33% | ✗ | - |
| Apr 12, 2018 | Apr 16, 2018 | Schwieterman William D | CEO | Neutral | 90.0 | +625,000 | 83668.01% | ✗ | - |
| Apr 12, 2018 | Apr 16, 2018 | LOAR MATTHEW M | CFO | Neutral | 90.0 | +250,000 | 500.00% | ✗ | - |
| Jun 9, 2017 | Jun 12, 2017 | Pedder Simon | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 9, 2017 | Jun 12, 2017 | SANDAGE BOBBY W. JR., PHD. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 9, 2017 | Jun 12, 2017 | Reynolds Donald Rogers | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 12, 2017 | Jan 13, 2017 | Schwieterman William D | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 12, 2017 | Jan 13, 2017 | LOAR MATTHEW M | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 12, 2017 | Jan 13, 2017 | CHAPLIN DAVID | Chief Scientific Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Dec 16, 2016 | Dec 20, 2016 | Reynolds Donald Rogers | Director | Buy | 91.3 | +30,000 | 100.00% | ✗ | $10.4K |
| Oct 25, 2016 | Oct 27, 2016 | SANDAGE BOBBY W PHD | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 25, 2016 | Oct 27, 2016 | Reynolds Donald Rogers | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 27, 2016 | SANDAGE BOBBY W PHD | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 27, 2016 | Reynolds Donald Rogers | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 1, 2016 | Jun 3, 2016 | Pedder Simon | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 1, 2016 | Jun 3, 2016 | McMahon Gerald PhD | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 1, 2016 | Jun 3, 2016 | DRISCOLL FREDERICK W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 21, 2016 | Apr 19, 2016 | Schwieterman William D | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 21, 2016 | Mar 23, 2016 | CHAPLIN DAVID | Chief Scientific Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 21, 2016 | Mar 23, 2016 | Schwieterman William D | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 21, 2016 | Mar 23, 2016 | LOAR MATTHEW M | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 21, 2016 | Mar 23, 2016 | Pedder Simon | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 23, 2016 | Pedder Simon | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jul 20, 2015 | Jul 20, 2015 | LOAR MATTHEW M | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 20, 2015 | LOAR MATTHEW M | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 12, 2015 | Ha Pamela | Controller | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| May 28, 2015 | May 29, 2015 | RICHING BARBARA | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 28, 2015 | May 29, 2015 | Schwieterman William D | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 28, 2015 | May 29, 2015 | HOWSON TAMAR D | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 28, 2015 | May 29, 2015 | McMahon Gerald PhD | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 28, 2015 | May 29, 2015 | DRISCOLL FREDERICK W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 28, 2015 | May 29, 2015 | CHAPLIN DAVID | Chief Scientific Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 2, 2014 | Jul 7, 2014 | Schwieterman William D | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 2, 2014 | Jul 7, 2014 | McMahon Gerald PhD | Director | Neutral | 90.0 | +3,847 | 26.06% | ✗ | - |
| Jul 2, 2014 | Jul 7, 2014 | HOWSON TAMAR D | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 2, 2014 | Jul 7, 2014 | DRISCOLL FREDERICK W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 30, 2014 | May 30, 2014 | RICHING BARBARA | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 15, 2014 | May 19, 2014 | CHAPLIN DAVID | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 2, 2014 | Jan 6, 2014 | McMahon Gerald PhD | Director | Neutral | 90.0 | +3,584 | 32.06% | ✗ | - |
| Jan 2, 2014 | Jan 6, 2014 | Schwieterman William D | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 2, 2014 | Jan 6, 2014 | HOWSON TAMAR D | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 2, 2014 | Jan 6, 2014 | CHAPLIN DAVID | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 6, 2014 | DRISCOLL FREDERICK W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jan 2, 2014 | Jan 6, 2014 | DRISCOLL FREDERICK W | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Aug 8, 2013 | Aug 9, 2013 | LANGECKER PETER | CEO | Neutral | 90.0 | +72,993 | 1459.86% | ✗ | - |
| Jul 1, 2013 | Jul 2, 2013 | Wood Alastair JJ | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 1, 2013 | Jul 2, 2013 | CHAPLIN DAVID | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 1, 2013 | Jul 2, 2013 | Schwieterman William D | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 1, 2013 | Jul 2, 2013 | McMahon Gerald PhD | Director | Neutral | 90.0 | +7,407 | 196.32% | ✗ | - |
| Jul 1, 2013 | Jul 2, 2013 | HOWSON TAMAR D | Director | Neutral | 90.0 | +3,703 | 73.21% | ✗ | - |
| Jun 28, 2013 | Jul 1, 2013 | LANGECKER PETER | CEO | Buy | 90.0 | +3,000 | 150.00% | ✗ | $8.3K |
| Jun 25, 2013 | Jun 26, 2013 | LANGECKER PETER | CEO | Buy | 90.0 | +2,000 | 100.00% | ✗ | $5.6K |
| Feb 27, 2013 | Feb 28, 2013 | RICHING BARBARA | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 27, 2013 | Feb 28, 2013 | LANGECKER PETER | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 23, 2013 | Jan 24, 2013 | CHAPLIN DAVID | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jan 24, 2013 | CHAPLIN DAVID | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jan 2, 2013 | Jan 3, 2013 | HOWSON TAMAR D | Director | Neutral | 90.0 | +1,886 | 59.46% | ✗ | - |