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 |
|---|---|---|---|---|---|---|
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Grant(A) | 400K | — | $0 |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 864K | — | — |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Tax withholding(F) | 69K | $0.39 | $27K |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 220K | — | — |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 20K | — | — |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 461K | — | — |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 36K | — | — |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 31K | — | — |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 10K | — | — |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 99K | — | — |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 12K | — | — |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 80K | — | — |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 38K | — | — |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 305K | — | — |
| Aug 23, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Disposed to issuer(D) | 296K | — | — |
| Aug 23, 2023 | Duke William E. | Chief Financial Officer | Tax withholding(F) | 26K | $0.39 | $10K |
| Aug 23, 2023 | Duke William E. | Chief Financial Officer | Disposed to issuer(D) | 128K | — | — |
| Aug 23, 2023 | Duke William E. | Chief Financial Officer | Disposed to issuer(D) | 270K | — | — |
| Aug 23, 2023 | Hsu Frank J. | Chief Medical Officer | Disposed to issuer(D) | 16K | — | — |
| Aug 23, 2023 | Hsu Frank J. | Chief Medical Officer | Disposed to issuer(D) | 225K | — | — |
| Aug 23, 2023 | Hsu Frank J. | Chief Medical Officer | Disposed to issuer(D) | 27K | — | — |
| Aug 23, 2023 | Sarena Francis Willard | President and COO | Tax withholding(F) | 31K | $0.39 | $12K |
| Aug 23, 2023 | Sarena Francis Willard | President and COO | Disposed to issuer(D) | 124K | — | — |
| Aug 23, 2023 | Sarena Francis Willard | President and COO | Disposed to issuer(D) | 270K | — | — |
| Aug 23, 2023 | Wong Amy | SVP, Finance and Operations | Tax withholding(F) | 16K | $0.39 | $6K |
| Aug 23, 2023 | Wong Amy | SVP, Finance and Operations | Disposed to issuer(D) | 67K | — | — |
| Aug 23, 2023 | Wong Amy | SVP, Finance and Operations | Disposed to issuer(D) | 14K | — | — |
| Aug 23, 2023 | Wong Amy | SVP, Finance and Operations | Disposed to issuer(D) | 15K | — | — |
| Aug 23, 2023 | Wong Amy | SVP, Finance and Operations | Disposed to issuer(D) | 231K | — | — |
| Aug 23, 2023 | Wong Amy | SVP, Finance and Operations | Disposed to issuer(D) | 9K | — | — |
| Aug 23, 2023 | Wong Amy | SVP, Finance and Operations | Disposed to issuer(D) | 26K | — | — |
| Aug 23, 2023 | Wong Amy | SVP, Finance and Operations | Disposed to issuer(D) | 29K | — | — |
| Aug 23, 2023 | Wong Amy | SVP, Finance and Operations | Disposed to issuer(D) | 71K | — | — |
| Aug 23, 2023 | Wong Amy | SVP, Finance and Operations | Disposed to issuer(D) | 15K | — | — |
| Aug 23, 2023 | Wong Amy | SVP, Finance and Operations | Disposed to issuer(D) | 77K | — | — |
| Aug 23, 2023 | Wong Amy | SVP, Finance and Operations | Disposed to issuer(D) | 22K | — | — |
| Aug 23, 2023 | Cross Herb | Director | Disposed to issuer(D) | 100K | — | — |
| Aug 23, 2023 | Cross Herb | Director | Disposed to issuer(D) | 34K | — | — |
| Aug 23, 2023 | Dupont Jakob | Director | Disposed to issuer(D) | 20K | — | — |
| Aug 23, 2023 | Dupont Jakob | Director | Disposed to issuer(D) | 100K | — | — |
| Aug 23, 2023 | Dupont Jakob | Director | Disposed to issuer(D) | 34K | — | — |
| Aug 23, 2023 | Chhabra Meenu | Director | Disposed to issuer(D) | 100K | — | — |
| Aug 23, 2023 | Ringold Gordon | Director | Disposed to issuer(D) | 10K | — | — |
| Aug 23, 2023 | Ringold Gordon | Director | Disposed to issuer(D) | 100K | — | — |
| Aug 23, 2023 | Ringold Gordon | Director | Disposed to issuer(D) | 34K | — | — |
| Aug 23, 2023 | Ringold Gordon | Director | Disposed to issuer(D) | 5K | — | — |
| Aug 23, 2023 | Smith Scott Andrew | Director | Disposed to issuer(D) | 34K | — | — |
| Aug 23, 2023 | Smith Scott Andrew | Director | Disposed to issuer(D) | 100K | — | — |
| Aug 23, 2023 | Wertheimer Samuel P | Director | Disposed to issuer(D) | 146K | — | — |
| Aug 23, 2023 | Wertheimer Samuel P | Director | Disposed to issuer(D) | 12K | — | — |
| Aug 23, 2023 | Wertheimer Samuel P | Director | Disposed to issuer(D) | 100K | — | — |
| Aug 23, 2023 | Wertheimer Samuel P | Director | Disposed to issuer(D) | 2K | — | — |
| Aug 23, 2023 | Zabrowksi Dan | Director | Disposed to issuer(D) | 100K | — | — |
| Jun 15, 2023 | Duke William E. | Chief Financial Officer | Tax withholding(F) | 5K | $0.49 | $2K |
| Jun 15, 2023 | Hsu Frank J. | Chief Medical Officer | Tax withholding(F) | 4K | $0.49 | $2K |
| Jun 15, 2023 | Sarena Francis Willard | President and COO | Tax withholding(F) | 7K | $0.49 | $3K |
| Jun 15, 2023 | Wong Amy | SVP, Finance and Operations | Tax withholding(F) | 3K | $0.49 | $1K |
| Jun 15, 2023 | Yang Xiaodong | Chief Executive Officer, Director | Tax withholding(F) | 7K | $0.49 | $3K |
| May 23, 2023 | Sarena Francis Willard | President and COO | Tax withholding(F) | 21K | $0.40 | $8K |
| May 23, 2023 | Sarena Francis Willard | President and COO | Grant(A) | 150K | — | $0 |
| May 23, 2023 | Duke William E. | Chief Financial Officer | Tax withholding(F) | 17K | $0.40 | $7K |
| May 23, 2023 | Duke William E. | Chief Financial Officer | Grant(A) | 150K | — | $0 |
| May 23, 2023 | Wong Amy | SVP, Finance and Operations | Grant(A) | 75K | — | $0 |
| May 23, 2023 | Wong Amy | SVP, Finance and Operations | Tax withholding(F) | 12K | $0.40 | $5K |
| Feb 21, 2023 | Wertheimer Samuel P | Director | Other(J) | 2K | — | $0 |
| Jan 26, 2023 | Wertheimer Samuel P | Director | Other(J) | 146K | — | $0 |
| Jan 26, 2023 | Wertheimer Samuel P | Director | Other(J) | 12K | — | $0 |
| Dec 15, 2022 | Wong Amy | SVP, Finance and Operations | Tax withholding(F) | 3K | $1.06 | $3K |
| Dec 15, 2022 | Sarena Francis Willard | Chief Operating Officer | Tax withholding(F) | 7K | $1.06 | $7K |
| Dec 15, 2022 | Hsu Frank J. | Chief Medical Officer | Tax withholding(F) | 4K | $1.06 | $5K |
| Dec 15, 2022 | Duke William E. | Chief Financial Officer | Tax withholding(F) | 5K | $1.06 | $5K |
| Dec 15, 2022 | Yang Xiaodong | Chief Executive Officer, Director | Tax withholding(F) | 7K | $1.06 | $7K |
| Oct 7, 2022 | Wong Amy | SVP, Finance and Operations | Grant(A) | 77K | — | $0 |
| Oct 7, 2022 | Wong Amy | SVP, Finance and Operations | Grant(A) | 16K | — | $0 |
| Oct 7, 2022 | Sarena Francis Willard | Chief Operating Officer | Grant(A) | 40K | — | $0 |
| Oct 7, 2022 | Hsu Frank J. | Chief Medical Officer | Grant(A) | 27K | — | $0 |
| Oct 7, 2022 | Hsu Frank J. | Chief Medical Officer | Grant(A) | 25K | — | $0 |
| Oct 7, 2022 | Duke William E. | Chief Financial Officer | Grant(A) | 270K | — | $0 |
| Oct 7, 2022 | Duke William E. | Chief Financial Officer | Grant(A) | 31K | — | $0 |
| Oct 7, 2022 | Yang Xiaodong | Chief Executive Officer, Director | Grant(A) | 305K | — | $0 |
| Oct 7, 2022 | Yang Xiaodong | Chief Executive Officer, Director | Grant(A) | 40K | — | $0 |
| Sep 29, 2022 | Zabrowksi Dan | Director | Grant(A) | 100K | — | $0 |
| Sep 29, 2022 | Wertheimer Samuel P | Director | Grant(A) | 100K | — | $0 |
| Sep 29, 2022 | Smith Scott Andrew | Director | Grant(A) | 100K | — | $0 |
| Sep 29, 2022 | Ringold Gordon | Director | Grant(A) | 100K | — | $0 |
| Sep 29, 2022 | Chhabra Meenu | Director | Grant(A) | 100K | — | $0 |
| Sep 29, 2022 | Dupont Jakob | Director | Grant(A) | 100K | — | $0 |
| Sep 29, 2022 | Cross Herb | Director | Grant(A) | 100K | — | $0 |
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 2021-03-29 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).