| Sep 2, 2026 (view filing)7:05 PM ET | Aug 31 | 2 days | Yu TonyChief Scientific Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −9.68K | $2.75 | −$26.7K | −3.6%258.7K after | |
| Aug 4, 2026 (view filing)8:20 PM ET | Aug 4 | Same day | Yu TonyChief Scientific Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −653 | $2.94 | −$1.92K | −0.2%268.4K after | |
| May 12, 2026 (view filing) | May 11 | 1 day | Yu TonyChief Scientific Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −605 | $2.97 | −$1.80K | −0.4%149.7K after | |
| Mar 26, 2026 (view filing) | Mar 24 | 2 days | Yu TonySVP, Clinical Development | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −906 | $2.42 | −$2.19K | −0.6%144.9K after | |
| Dec 11, 2025 (view filing) | Aug 21-Nov 17 | 112 daysLateFiled more than 2 business days after the trade (the Form 4 deadline). A few cases, such as trades a broker makes under a 10b5-1 plan, have a longer deadline, so this flag comes from the dates alone and does not mean a rule was broken. | Yu TonySVP, Clinical Development | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −4.19K | $3.83 | −$16.0K | −2.8%145.8K after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average. |
| May 13, 2025 (view filing) | May 12 | 1 day | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −5.58K | $2.92 | −$16.3K | −10.5%47.6K after | |
| Jul 8, 2024 (view filing) | Jun 24 | 14 daysLateFiled more than 2 business days after the trade (the Form 4 deadline). A few cases, such as trades a broker makes under a 10b5-1 plan, have a longer deadline, so this flag comes from the dates alone and does not mean a rule was broken. | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −6.85K | $2.12 | −$14.5K | −38.7%10.9K after | |
| Jun 7, 2024 (view filing) | May 29 | 9 daysLateFiled more than 2 business days after the trade (the Form 4 deadline). A few cases, such as trades a broker makes under a 10b5-1 plan, have a longer deadline, so this flag comes from the dates alone and does not mean a rule was broken. | Yu TonyVP, Clinical Trial Operations | PPurchaseThe insider bought shares with their own money, on the open market or in a private deal (for example, a company's private placement). This is the code investors watch most closely: it is money the insider chose to put in. | +2.50K | – | – | New position2.50K after | |
| Jun 7, 2024 (view filing) | May 29 | 9 daysLateFiled more than 2 business days after the trade (the Form 4 deadline). A few cases, such as trades a broker makes under a 10b5-1 plan, have a longer deadline, so this flag comes from the dates alone and does not mean a rule was broken. | Yu TonyVP, Clinical Trial Operations | PPurchaseThe insider bought shares with their own money, on the open market or in a private deal (for example, a company's private placement). This is the code investors watch most closely: it is money the insider chose to put in. | +2.50K | – | – | –2.50K after | DerivativeA trade in a derivative security (option, warrant, restricted stock unit and so on). The value is the derivative's own price times the quantity. |
| Dec 18, 2023 (view filing) | Dec 15 | 3 days | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −32.5K | $13.16 | −$428.2K | −100.0%0 after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average. |
| Dec 8, 2023 (view filing) | Dec 7 | 1 day | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −36.8K | $11.85 | −$436.1K | −53.1%32.5K after | |
| Nov 22, 2023 (view filing) | Nov 21 | 1 day | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −18.7K | $10.26 | −$191.5K | −21.2%69.3K after | |
| Nov 21, 2023 (view filing) | Nov 17-20 | 4 days | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −18.1K | $11.61 | −$210.5K | −17.1%88.0K after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average. |
| Oct 25, 2023 (view filing) | Oct 24 | 1 day | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −5.20K | $19.11 | −$99.4K | −4.7%106.1K after | |
| Oct 11, 2023 (view filing) | Oct 10 | 1 day | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −5.20K | $22.01 | −$114.5K | −4.7%106.1K after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average. |
| Sep 27, 2023 (view filing) | Sep 26 | 1 day | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −5.20K | $23.56 | −$122.5K | −4.7%106.1K after | 3 lotsThis row combines 3 trades of the same kind from one filing. The price is the value-weighted average. |
| Sep 21, 2023 (view filing) | Sep 20 | 1 day | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −6.00K | $27.96 | −$167.8K | −5.4%106.1K after | |
| Sep 18, 2023 (view filing) | Sep 15 | 3 days | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −10.4K | $21.89 | −$227.6K | −8.9%106.1K after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average. |
| Sep 15, 2023 (view filing) | Sep 13 | 2 days | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −29.8K | $21.14 | −$630.0K | −21.9%106.1K after | |
| Aug 30, 2023 (view filing) | Aug 30 | Same day | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −19.8K | $24.70 | −$489.1K | −12.7%135.9K after | |
| Aug 22, 2023 (view filing) | Aug 18 | 4 days | Yu TonyVP, Clinical Trial Operations | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −3.27K | $23.73 | −$77.5K | −2.1%155.7K after | |
