The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 2, 2026 | Gao Hanlin | Chief Scientific Officer | Sell(S) | 2K | $17.89 | $30K |
| Jun 2, 2026 | Xie Jian | President and COO | Sell(S) | 2K | $17.89 | $38K |
| Jun 1, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 4K | $18.09 | $79K |
| Jun 1, 2026 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 2K | $18.09 | $38K |
| May 27, 2026 | Gao Hanlin | Chief Scientific Officer | Sell(S) | 945 | $17.60 | $17K |
| May 27, 2026 | Xie Jian | President and COO | Sell(S) | 1K | $17.60 | $21K |
| May 26, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 3K | $17.67 | $52K |
| May 26, 2026 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 1K | $17.67 | $21K |
| May 14, 2026 | Groves Regina E | Director | Grant(A) | 11K | — | $0 |
| May 14, 2026 | Dong Linda | Director | Grant(A) | 11K | — | $0 |
| May 14, 2026 | Nohaile Michael | Director | Grant(A) | 6K | — | $0 |
| May 14, 2026 | Nohaile Michael | Director | Grant(A) | 8K | — | $0 |
| Apr 26, 2026 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 3K | $16.31 | $45K |
| Apr 26, 2026 | Xie Jian | President and COO | Tax withholding(F) | 4K | $16.31 | $71K |
| Apr 26, 2026 | Gao Hanlin | Chief Scientific Officer | Tax withholding(F) | 2K | $16.31 | $27K |
| Mar 9, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Other(J) | 750K | — | — |
| Mar 1, 2026 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 1K | $15.33 | $17K |
| Mar 1, 2026 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 8K | $15.33 | $128K |
| Mar 1, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 18K | $15.33 | $269K |
| Mar 1, 2026 | Gao Hanlin | Chief Scientific Officer | Tax withholding(F) | 1K | $15.33 | $16K |
| Mar 1, 2026 | Gao Hanlin | Chief Scientific Officer | Tax withholding(F) | 6K | $15.33 | $98K |
| Mar 1, 2026 | Xie Jian | President and COO | Tax withholding(F) | 8K | $15.33 | $125K |
| Mar 1, 2026 | Xie Jian | President and COO | Tax withholding(F) | 1K | $15.33 | $17K |
| Feb 26, 2026 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 1K | $24.76 | $29K |
| Feb 26, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 3K | $24.76 | $73K |
| Feb 26, 2026 | Gao Hanlin | Chief Scientific Officer | Tax withholding(F) | 897 | $24.76 | $22K |
| Feb 26, 2026 | Xie Jian | President and COO | Tax withholding(F) | 1K | $24.76 | $28K |
| Feb 24, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Grant(A) | 19K | — | $0 |
| Feb 24, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Grant(A) | 40K | — | $0 |
| Feb 24, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Grant(A) | 59K | — | $0 |
| Feb 24, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 10K | $23.09 | $236K |
| Feb 24, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 21K | $23.09 | $493K |
| Feb 24, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 32K | $23.09 | $733K |
| Feb 24, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Grant(A) | 69K | — | $0 |
| Feb 24, 2026 | Gao Hanlin | Chief Scientific Officer | Tax withholding(F) | 5K | $23.09 | $108K |
| Feb 24, 2026 | Gao Hanlin | Chief Scientific Officer | Tax withholding(F) | 8K | $23.09 | $188K |
| Feb 24, 2026 | Gao Hanlin | Chief Scientific Officer | Grant(A) | 27K | — | $0 |
| Feb 24, 2026 | Gao Hanlin | Chief Scientific Officer | Grant(A) | 5K | — | $0 |
| Feb 24, 2026 | Gao Hanlin | Chief Scientific Officer | Grant(A) | 13K | — | $0 |
| Feb 24, 2026 | Gao Hanlin | Chief Scientific Officer | Grant(A) | 23K | — | $0 |
| Feb 24, 2026 | Gao Hanlin | Chief Scientific Officer | Tax withholding(F) | 2K | $23.09 | $57K |
| Feb 24, 2026 | Xie Jian | President and COO | Grant(A) | 32K | — | $0 |
| Feb 24, 2026 | Xie Jian | President and COO | Tax withholding(F) | 15K | $23.09 | $341K |
| Feb 24, 2026 | Xie Jian | President and COO | Tax withholding(F) | 8K | $23.09 | $191K |
| Feb 24, 2026 | Xie Jian | President and COO | Tax withholding(F) | 3K | $23.09 | $73K |
| Feb 24, 2026 | Xie Jian | President and COO | Grant(A) | 27K | — | $0 |
| Feb 24, 2026 | Xie Jian | President and COO | Grant(A) | 15K | — | $0 |
| Feb 24, 2026 | Xie Jian | President and COO | Grant(A) | 6K | — | $0 |
| Feb 24, 2026 | Kim Paul | CFO and Treasurer | Grant(A) | 31K | — | $0 |
| Feb 24, 2026 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 15K | $23.09 | $349K |
| Feb 24, 2026 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 8K | $23.09 | $195K |
| Feb 24, 2026 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 3K | $23.09 | $75K |
| Feb 24, 2026 | Kim Paul | CFO and Treasurer | Grant(A) | 27K | — | $0 |
| Feb 24, 2026 | Kim Paul | CFO and Treasurer | Grant(A) | 15K | — | $0 |
| Feb 24, 2026 | Kim Paul | CFO and Treasurer | Grant(A) | 6K | — | $0 |
| Feb 23, 2026 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 2K | $23.01 | $50K |
| Feb 23, 2026 | Gao Hanlin | Chief Scientific Officer | Tax withholding(F) | 403 | $23.01 | $9K |
| Feb 23, 2026 | Xie Jian | President and COO | Tax withholding(F) | 655 | $23.01 | $15K |
| Feb 23, 2026 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 661 | $23.01 | $15K |
| Jan 26, 2026 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 3K | $27.53 | $83K |
| Jan 26, 2026 | Xie Jian | President and COO | Tax withholding(F) | 5K | $27.53 | $130K |
| Jan 26, 2026 | Gao Hanlin | Chief Scientific Officer | Tax withholding(F) | 1K | $27.53 | $37K |
| Dec 2, 2025 | Gao Hanlin | Chief Scientific Officer | Sell(S) | 1K | $28.33 | $30K |
| Dec 2, 2025 | Xie Jian | President and COO | Sell(S) | 1K | $28.33 | $32K |
| Dec 1, 2025 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 1K | $28.52 | $32K |
| Nov 28, 2025 | Gao Hanlin | Chief Scientific Officer | Sell(S) | 943 | $29.57 | $28K |
| Nov 28, 2025 | Xie Jian | President and COO | Sell(S) | 1K | $29.57 | $35K |
| Nov 26, 2025 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 3K | $30.15 | $89K |
| Nov 26, 2025 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 1K | $30.15 | $35K |
| Nov 24, 2025 | Gao Hanlin | Chief Scientific Officer | Sell(S) | 535 | $30.47 | $16K |
| Nov 24, 2025 | Xie Jian | President and COO | Sell(S) | 681 | $30.47 | $21K |
| Nov 23, 2025 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 671 | $30.00 | $20K |
| Nov 23, 2025 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 2K | $30.00 | $63K |
| Nov 19, 2025 | Xie Jian | President and COO | Gift(G) | 10K | — | $0 |
| Nov 19, 2025 | Xie Jian | President and COO | Sell(S) | 10K | $29.10 | $291K |
| Oct 26, 2025 | Xie Jian | President and COO | Tax withholding(F) | 4K | $23.74 | $103K |
| Oct 26, 2025 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 3K | $23.74 | $65K |
| Oct 26, 2025 | Gao Hanlin | Chief Scientific Officer | Tax withholding(F) | 2K | $23.74 | $39K |
| Sep 3, 2025 | Gao Hanlin | Chief Scientific Officer | Sell(S) | 1K | $22.03 | $23K |
| Sep 3, 2025 | Xie Jian | President and COO | Sell(S) | 1K | $22.03 | $25K |
| Sep 1, 2025 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 1K | $22.17 | $25K |
| Aug 27, 2025 | Gao Hanlin | Chief Scientific Officer | Sell(S) | 943 | $21.48 | $20K |
| Aug 27, 2025 | Xie Jian | President and COO | Sell(S) | 1K | $21.48 | $26K |
| Aug 26, 2025 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 1K | $21.47 | $25K |
| Aug 26, 2025 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 3K | $21.47 | $63K |
| Aug 25, 2025 | Gao Hanlin | Chief Scientific Officer | Sell(S) | 548 | $21.50 | $12K |
| Aug 25, 2025 | Xie Jian | President and COO | Sell(S) | 696 | $21.50 | $15K |
| Aug 23, 2025 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 670 | $21.77 | $15K |
| Aug 23, 2025 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 2K | $21.77 | $46K |
| Aug 1, 2025 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 1K | $18.53 | $25K |
| Jul 26, 2025 | Gao Hanlin | Chief Scientific Officer | Tax withholding(F) | 2K | $18.37 | $30K |
| Jul 26, 2025 | Xie Jian | President and COO | Tax withholding(F) | 4K | $18.37 | $80K |
| Jul 26, 2025 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 3K | $18.37 | $50K |
| Jun 9, 2025 | Hsieh Ming | Chief Executive Officer, Director, 10% Owner | Other(J) | 800K | — | — |
| Jun 2, 2025 | Xie Jian | President and COO | Sell(S) | 1K | $20.29 | $23K |
| Jun 2, 2025 | Gao Hanlin | Chief Scientific Officer | Sell(S) | 754 | $20.29 | $15K |
| Jun 1, 2025 | Kim Paul | CFO and Treasurer | Tax withholding(F) | 1K | $20.72 | $23K |
| May 27, 2025 | Gao Hanlin | Chief Scientific Officer | Sell(S) | 656 | $20.52 | $13K |
| May 27, 2025 | Gao Hanlin | Chief Scientific Officer | Sell(S) | 383 | $20.58 | $8K |
| May 27, 2025 | Xie Jian | President and COO | Sell(S) | 1K | $20.52 | $24K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-01-04 → 2026-07-20. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).