2026Q1
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Ming Hsieh Trust | — | 8,928,610 | Jun 11, 2025 |
| Hsieh Ming | CEO | 8,117,931 | Dec 1, 2025 |
| Xi Long USA, Inc. | — | 2,025,623 | Oct 4, 2016 |
| Gao Hanlin | Chief Scientific Officer | 953,965 | Dec 3, 2025 |
| Xie Jian | COO | 558,705 | Dec 3, 2025 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Feb 26, 2026 | Mar 2, 2026 | Xie Jian | COO | Sell | 42.5 | -10,366 | -1.71% | ✗ | $169.7K |
| Feb 26, 2026 | Mar 2, 2026 | Kim Paul | CFO | Sell | 42.5 | -10,648 | -2.81% | ✗ | $174.2K |
| Feb 26, 2026 | Mar 2, 2026 | Gao Hanlin | Chief Scientific Officer | Sell | 45.0 | -8,325 | -0.83% | ✗ | $136.1K |
| Feb 26, 2026 | Mar 2, 2026 | Hsieh Ming | CEO | Sell | 45.0 | -20,515 | -0.23% | ✗ | $342.3K |
| Feb 23, 2026 | Feb 25, 2026 | Kim Paul | CFO | Sell | 97.5 | +51,049 | 15.56% | ✗ | $633.8K |
| Feb 23, 2026 | Feb 25, 2026 | Xie Jian | COO | Sell | 92.5 | +53,641 | 9.70% | ✗ | $619.3K |
| Feb 23, 2026 | Feb 25, 2026 | Gao Hanlin | Chief Scientific Officer | Sell | 92.5 | +51,418 | 5.40% | ✗ | $362.5K |
| Feb 23, 2026 | Feb 25, 2026 | Hsieh Ming | CEO | Sell | 87.5 | +121,928 | 1.37% | ✗ | $1.5M |
| Jan 26, 2026 | Jan 28, 2026 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -1,331 | -0.14% | ✗ | $36.6K |
| Jan 26, 2026 | Jan 28, 2026 | Xie Jian | COO | Sell | 45.0 | -4,711 | -0.84% | ✗ | $129.7K |
| Jan 26, 2026 | Jan 28, 2026 | Kim Paul | CFO | Sell | 45.0 | -3,004 | -0.91% | ✗ | $82.7K |
| Dec 1, 2025 | Dec 3, 2025 | Kim Paul | CFO | Sell | 51.3 | -1,131 | -0.34% | ✗ | $32.3K |
| Dec 2, 2025 | Dec 3, 2025 | Xie Jian | COO | Sell | 51.3 | -1,140 | -0.20% | ✗ | $32.3K |
| Dec 2, 2025 | Dec 3, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -1,075 | -0.11% | ✗ | $30.5K |
| Nov 28, 2025 | Dec 1, 2025 | Xie Jian | COO | Sell | 51.3 | -1,198 | -0.21% | ✗ | $35.4K |
| Nov 28, 2025 | Dec 1, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -943 | -0.10% | ✗ | $27.9K |
| Nov 26, 2025 | Dec 1, 2025 | Kim Paul | CFO | Sell | 51.3 | -1,166 | -0.35% | ✗ | $35.2K |
| Nov 26, 2025 | Dec 1, 2025 | Hsieh Ming | CEO | Sell | 47.5 | -2,944 | -0.03% | ✗ | $88.8K |
| Nov 23, 2025 | Nov 25, 2025 | Hsieh Ming | CEO | Sell | 47.5 | -2,116 | -0.02% | ✗ | $63.5K |
| Nov 23, 2025 | Nov 25, 2025 | Kim Paul | CFO | Sell | 51.3 | -671 | -0.20% | ✗ | $20.1K |
| Nov 24, 2025 | Nov 25, 2025 | Xie Jian | COO | Sell | 51.3 | -681 | -0.12% | ✗ | $20.8K |
| Nov 24, 2025 | Nov 25, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -535 | -0.06% | ✗ | $16.3K |
| Nov 19, 2025 | Nov 21, 2025 | Xie Jian | COO | Sell | 20.0 | -20,000 | -3.44% | ✗ | $291K |
| Oct 26, 2025 | Oct 28, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -1,642 | -0.17% | ✗ | $39K |
| Oct 26, 2025 | Oct 28, 2025 | Kim Paul | CFO | Sell | 45.0 | -2,743 | -0.81% | ✗ | $65.1K |
| Oct 26, 2025 | Oct 28, 2025 | Xie Jian | COO | Sell | 45.0 | -4,353 | -0.74% | ✗ | $103.3K |
| Sep 3, 2025 | Sep 3, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -1,063 | -0.11% | ✗ | $23.4K |
| Sep 3, 2025 | Sep 3, 2025 | Xie Jian | COO | Sell | 51.3 | -1,128 | -0.19% | ✗ | $24.8K |
| Sep 1, 2025 | Sep 3, 2025 | Kim Paul | CFO | Sell | 51.3 | -1,131 | -0.33% | ✗ | $25.1K |
| Aug 27, 2025 | Aug 28, 2025 | Xie Jian | COO | Sell | 51.3 | -1,199 | -0.20% | ✗ | $25.8K |
| Aug 26, 2025 | Aug 28, 2025 | Hsieh Ming | CEO | Sell | 47.5 | -2,944 | -0.03% | ✗ | $63.2K |
| Aug 26, 2025 | Aug 28, 2025 | Kim Paul | CFO | Sell | 51.3 | -1,166 | -0.34% | ✗ | $25K |
| Aug 27, 2025 | Aug 28, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -943 | -0.10% | ✗ | $20.3K |
| Aug 25, 2025 | Aug 26, 2025 | Xie Jian | COO | Sell | 51.3 | -696 | -0.12% | ✗ | $15K |
| Aug 23, 2025 | Aug 26, 2025 | Hsieh Ming | CEO | Sell | 51.3 | -2,115 | -0.02% | ✗ | $46K |
| Aug 23, 2025 | Aug 26, 2025 | Kim Paul | CFO | Sell | 51.3 | -670 | -0.20% | ✗ | $14.6K |
| Aug 25, 2025 | Aug 26, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -548 | -0.06% | ✗ | $11.8K |
| Aug 1, 2025 | Aug 5, 2025 | Hsieh Ming | CEO | Sell | 51.3 | -1,339 | -0.01% | ✗ | $24.8K |
| Jul 26, 2025 | Jul 29, 2025 | Kim Paul | CFO | Sell | 45.0 | -2,743 | -0.80% | ✗ | $50.4K |
| Jul 26, 2025 | Jul 29, 2025 | Xie Jian | COO | Sell | 45.0 | -4,352 | -0.73% | ✗ | $79.9K |
| Jul 26, 2025 | Jul 29, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -1,642 | -0.17% | ✗ | $30.2K |
| Jun 9, 2025 | Jun 11, 2025 | Hsieh Ming | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 1, 2025 | Jun 3, 2025 | Kim Paul | CFO | Sell | 51.3 | -1,131 | -0.33% | ✗ | $23.4K |
| Jun 2, 2025 | Jun 3, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -754 | -0.08% | ✗ | $15.3K |
| Jun 2, 2025 | Jun 3, 2025 | Xie Jian | COO | Sell | 51.3 | -1,135 | -0.19% | ✗ | $23K |
| May 27, 2025 | May 28, 2025 | Xie Jian | COO | Sell | 51.3 | -1,873 | -0.31% | ✗ | $38.5K |
| May 23, 2025 | May 28, 2025 | Kim Paul | CFO | Sell | 48.8 | -1,837 | -0.53% | ✗ | $37.3K |
| May 23, 2025 | May 28, 2025 | Hsieh Ming | CEO | Sell | 47.5 | -5,060 | -0.06% | ✗ | $102.8K |
| May 27, 2025 | May 28, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -1,039 | -0.11% | ✗ | $21.3K |
| May 15, 2025 | May 19, 2025 | Marsh Linda | Director | Neutral | 90.0 | +8,982 | 48.14% | ✗ | - |
| May 15, 2025 | May 19, 2025 | Nohaile Michael | Director | Neutral | 90.0 | +4,491 | 30.91% | ✗ | - |
| May 15, 2025 | May 19, 2025 | GROVES REGINA E | Director | Neutral | 90.0 | +8,982 | 112.28% | ✗ | - |
| May 1, 2025 | May 5, 2025 | Hsieh Ming | CEO | Sell | 51.3 | -1,339 | -0.01% | ✗ | $23.1K |
| Apr 30, 2025 | May 2, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 52.5 | -79 | -0.01% | ✗ | $1.4K |
| Apr 26, 2025 | Apr 29, 2025 | Xie Jian | COO | Sell | 45.0 | -4,353 | -0.73% | ✗ | $82.2K |
| Apr 26, 2025 | Apr 29, 2025 | Kim Paul | CFO | Sell | 45.0 | -2,743 | -0.79% | ✗ | $51.8K |
| Apr 26, 2025 | Apr 29, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -1,157 | -0.12% | ✗ | $21.8K |
| Mar 5, 2025 | Mar 5, 2025 | Kim Paul | CFO | Buy | 100.0 | +100,000 | 40.28% | ✗ | $1.6M |
| Mar 1, 2025 | Mar 4, 2025 | Xie Jian | COO | Sell | 51.3 | -1,481 | -0.25% | ✗ | $22.9K |
| Feb 25, 2025 | Mar 4, 2025 | Xie Jian | COO | Sell | 40.0 | -15,533 | -1.43% | ✗ | $252.8K |
| Mar 1, 2025 | Mar 4, 2025 | Kim Paul | CFO | Sell | 48.8 | -1,556 | -0.62% | ✗ | $24K |
| Mar 1, 2025 | Mar 4, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -985 | -0.10% | ✗ | $15.2K |
| Feb 25, 2025 | Feb 27, 2025 | Kim Paul | CFO | Sell | 97.5 | +49,050 | 24.43% | ✗ | $290.2K |
| Feb 25, 2025 | Feb 27, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 90.0 | +47,662 | 5.19% | ✗ | $162.9K |
| Feb 25, 2025 | Feb 27, 2025 | Xie Jian | COO | Sell | 85.0 | +51,109 | 1.71% | ✗ | $282.5K |
| Feb 25, 2025 | Feb 27, 2025 | Hsieh Ming | CEO | Sell | 85.0 | +117,163 | 1.33% | ✗ | $770.8K |
| Feb 23, 2025 | Feb 25, 2025 | Xie Jian | COO | Sell | 51.3 | -719 | -0.13% | ✗ | $11.8K |
| Feb 23, 2025 | Feb 25, 2025 | Hsieh Ming | CEO | Sell | 51.3 | -2,324 | -0.03% | ✗ | $38.3K |
| Feb 23, 2025 | Feb 25, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 52.5 | -417 | -0.05% | ✗ | $6.9K |
| Feb 23, 2025 | Feb 25, 2025 | Kim Paul | CFO | Sell | 51.3 | -733 | -0.36% | ✗ | $12.1K |
| Feb 1, 2025 | Feb 4, 2025 | Hsieh Ming | CEO | Sell | 51.3 | -1,472 | -0.02% | ✗ | $24.5K |
| Jan 30, 2025 | Feb 3, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 52.5 | -90 | -0.01% | ✗ | $1.5K |
| Jan 26, 2025 | Jan 28, 2025 | Kim Paul | CFO | Sell | 42.5 | -3,000 | -1.47% | ✗ | $51.6K |
| Jan 26, 2025 | Jan 28, 2025 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -1,329 | -0.14% | ✗ | $22.9K |
| Jan 26, 2025 | Jan 28, 2025 | Xie Jian | COO | Sell | 45.0 | -4,733 | -0.85% | ✗ | $81.5K |
| Dec 1, 2024 | Dec 4, 2024 | Kim Paul | CFO | Sell | 48.8 | -1,553 | -0.75% | ✗ | $28.4K |
| Dec 3, 2024 | Dec 4, 2024 | Xie Jian | COO | Sell | 51.3 | -1,455 | -0.26% | ✗ | $28.4K |
| Dec 3, 2024 | Dec 4, 2024 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -1,373 | -0.15% | ✗ | $26.8K |
| Nov 25, 2024 | Nov 27, 2024 | Hsieh Ming | CEO | Sell | 51.3 | -2,227 | -0.03% | ✗ | $40.7K |
| Nov 25, 2024 | Nov 27, 2024 | Kim Paul | CFO | Sell | 51.3 | -669 | -0.32% | ✗ | $12K |
| Nov 25, 2024 | Nov 27, 2024 | Gao Hanlin | Chief Scientific Officer | Sell | 52.5 | -497 | -0.05% | ✗ | $9.1K |
| Nov 25, 2024 | Nov 27, 2024 | Xie Jian | COO | Sell | 51.3 | -689 | -0.12% | ✗ | $12.6K |
| Nov 1, 2024 | Nov 5, 2024 | Hsieh Ming | CEO | Sell | 51.3 | -1,337 | -0.02% | ✗ | $28.9K |
| Oct 30, 2024 | Nov 1, 2024 | Gao Hanlin | Chief Scientific Officer | Sell | 52.5 | -79 | -0.01% | ✗ | $1.6K |
| Oct 26, 2024 | Oct 29, 2024 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -1,639 | -0.18% | ✗ | $31.8K |
| Oct 26, 2024 | Oct 29, 2024 | Kim Paul | CFO | Sell | 42.5 | -2,738 | -1.31% | ✗ | $53.2K |
| Oct 26, 2024 | Oct 29, 2024 | Xie Jian | COO | Sell | 45.0 | -4,345 | -0.77% | ✗ | $84.4K |
| Sep 3, 2024 | Sep 5, 2024 | Kim Paul | CFO | Sell | 48.8 | -1,674 | -0.79% | ✗ | $36.8K |
| Sep 3, 2024 | Sep 5, 2024 | Xie Jian | COO | Sell | 51.3 | -1,594 | -0.28% | ✗ | $35K |
| Sep 3, 2024 | Sep 5, 2024 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -1,503 | -0.16% | ✗ | $33K |
| Aug 27, 2024 | Aug 29, 2024 | Gao Hanlin | Chief Scientific Officer | Sell | 51.3 | -563 | -0.06% | ✗ | $12.9K |
| Aug 27, 2024 | Aug 29, 2024 | Xie Jian | COO | Sell | 51.3 | -715 | -0.13% | ✗ | $16.3K |
| Aug 27, 2024 | Aug 29, 2024 | Hsieh Ming | CEO | Sell | 47.5 | -2,313 | -0.03% | ✗ | $52.8K |
| Aug 27, 2024 | Aug 29, 2024 | Kim Paul | CFO | Sell | 51.3 | -733 | -0.35% | ✗ | $16.7K |
| Aug 3, 2024 | Aug 6, 2024 | Kim Paul | CFO | Sell | 48.8 | -1,412 | -0.66% | ✗ | $35.4K |
| Aug 3, 2024 | Aug 6, 2024 | Xie Jian | COO | Sell | 42.5 | -6,719 | -1.18% | ✗ | $168.4K |
| Aug 1, 2024 | Aug 5, 2024 | Hsieh Ming | CEO | Sell | 51.3 | -1,337 | -0.02% | ✗ | $31.5K |
| Jul 30, 2024 | Aug 1, 2024 | Gao Hanlin | Chief Scientific Officer | Sell | 52.5 | -111 | -0.01% | ✗ | $2.7K |
| Jul 26, 2024 | Jul 30, 2024 | Xie Jian | COO | Sell | 45.0 | -4,345 | -0.76% | ✗ | $102.8K |
| Jul 26, 2024 | Jul 30, 2024 | Kim Paul | CFO | Sell | 42.5 | -2,738 | -1.27% | ✗ | $64.8K |