CTKB Insider Transactions
190 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
CTKB insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| McCombe William D. | Chief Financial Officer | 2025-06-02 | Purchase | 35,000.0 | $2.78 |
| Yan Ming | CHIEF TECHNOLOGY OFFICER | 2024-04-19 | Sale | 20,000.0 | $5.87 |
| Yan Ming | CHIEF TECHNOLOGY OFFICER | 2024-04-09 | Sale | 400.0 | $7.01 |
| Yan Ming | CHIEF TECHNOLOGY OFFICER | 2024-04-09 | Sale | 1,500.0 | $7.0 |
| Yan Ming | CHIEF TECHNOLOGY OFFICER | 2024-03-19 | Sale | 20,000.0 | $6.71 |
| Yan Ming | CHIEF TECHNOLOGY OFFICER | 2024-03-18 | Sale | 20,000.0 | $6.77 |
| Jeanmonod Patrik | Chief Financial Officer | 2023-12-26 | Sale | 3,000.0 | $9.5 |
| Yan Ming | Chief Technology Officer | 2023-12-19 | Sale | 20,000.0 | $9.43 |
| Jeanmonod Patrik | Chief Financial Officer | 2023-11-24 | Sale | 3,000.0 | $6.94 |
| Yan Ming | Chief Technology Officer | 2023-11-20 | Sale | 20,000.0 | $6.03 |
| Jiang Wenbin | President and CEO | 2023-11-07 | Sale | 20,000.0 | $4.34 |
| Jeanmonod Patrik | Chief Financial Officer | 2023-10-24 | Sale | 3,000.0 | $4.68 |
| Yan Ming | Chief Technology Officer | 2023-10-19 | Sale | 20,000.0 | $4.8 |
| Jiang Wenbin | President and CEO | 2023-10-09 | Sale | 20,000.0 | $5.33 |
| Jeanmonod Patrik | Chief Financial Officer | 2023-09-25 | Sale | 3,000.0 | $6.38 |
| Yan Ming | Chief Technology Officer | 2023-09-19 | Sale | 20,000.0 | $6.49 |
| Jiang Wenbin | President and CEO | 2023-09-07 | Sale | 20,000.0 | $6.83 |
| Jeanmonod Patrik | Chief Financial Officer | 2023-08-24 | Sale | 3,000.0 | $7.69 |
| Yan Ming | Chief Technology Officer | 2023-08-21 | Sale | 20,000.0 | $8.07 |
| Jiang Wenbin | President and CEO | 2023-08-07 | Sale | 20,000.0 | $9.04 |
| Jeanmonod Patrik | Chief Financial Officer | 2023-07-24 | Sale | 3,000.0 | $9.17 |
| Yan Ming | Chief Technology Officer | 2023-07-19 | Sale | 20,000.0 | $8.76 |
| Jiang Wenbin | President and CEO | 2023-07-07 | Sale | 20,000.0 | $8.48 |
| Jeanmonod Patrik | Chief Financial Officer | 2023-06-26 | Sale | 3,000.0 | $7.96 |
| Yan Ming | Chief Technology Officer | 2023-06-20 | Sale | 20,000.0 | $8.18 |
| Jiang Wenbin | President and CEO | 2023-06-07 | Sale | 20,000.0 | $8.23 |
| Jeanmonod Patrik | Chief Financial Officer | 2023-05-24 | Sale | 3,000.0 | $7.76 |
| Yan Ming | Chief Technology Officer | 2023-05-19 | Sale | 20,000.0 | $7.19 |
| Jiang Wenbin | President and CEO | 2023-05-08 | Sale | 20,000.0 | $11.55 |
| Jeanmonod Patrik | Chief Financial Officer | 2023-04-24 | Sale | 3,000.0 | $10.24 |
| Yan Ming | Chief Technology Officer | 2023-04-19 | Sale | 20,000.0 | $9.71 |
| Jiang Wenbin | President and CEO | 2023-04-10 | Sale | 20,000.0 | $8.88 |
| Jeanmonod Patrik | Chief Financial Officer | 2023-03-24 | Sale | 3,000.0 | $8.33 |
| Yan Ming | Chief Technology Officer | 2023-03-20 | Sale | 20,000.0 | $9.29 |
| Jiang Wenbin | President and CEO | 2023-03-07 | Sale | 20,000.0 | $10.13 |
| Jeanmonod Patrik | Chief Financial Officer | 2023-02-24 | Sale | 3,000.0 | $11.05 |
| Yan Ming | Chief Technology Officer | 2023-02-21 | Sale | 20,000.0 | $10.94 |
| Yan Ming | Chief Technology Officer | 2023-02-08 | Sale | 897.0 | $13.53 |
| Jiang Wenbin | President and CEO | 2023-02-07 | Sale | 20,000.0 | $13.19 |
| Yan Ming | Chief Technology Officer | 2023-02-03 | Sale | 11.0 | $13.51 |
| Yan Ming | Chief Technology Officer | 2023-02-03 | Sale | 1,081.0 | $13.5 |
| Jeanmonod Patrik | Chief Financial Officer | 2023-01-24 | Sale | 3,500.0 | $11.05 |
| Yan Ming | Chief Technology Officer | 2023-01-19 | Sale | 20,000.0 | $11.03 |
| Jiang Wenbin | President and CEO | 2023-01-09 | Sale | 20,000.0 | $10.66 |
| Jeanmonod Patrik | Chief Financial Officer | 2022-12-27 | Sale | 3,500.0 | $9.77 |
| Yan Ming | Chief Technology Officer | 2022-12-19 | Sale | 20,000.0 | $10.38 |
| Jiang Wenbin | President and CEO | 2022-12-07 | Sale | 20,000.0 | $11.86 |
| Jeanmonod Patrik | Chief Financial Officer | 2022-11-25 | Sale | 3,500.0 | $14.3 |
| Yan Ming | Chief Technology Officer | 2022-11-21 | Sale | 20,000.0 | $14.66 |
| Ball Jack | Director | 2022-11-14 | Sale | 16,000.0 | $14.69 |
| Jiang Wenbin | President and CEO | 2022-11-07 | Sale | 20,000.0 | $14.76 |
| Jeanmonod Patrik | Chief Financial Officer | 2022-10-24 | Sale | 3,500.0 | $15.16 |
| Yan Ming | Chief Technology Officer | 2022-10-19 | Sale | 20,000.0 | $14.42 |
| Jiang Wenbin | President and CEO | 2022-10-07 | Sale | 20,000.0 | $14.79 |
| Jeanmonod Patrik | Chief Financial Officer | 2022-09-26 | Sale | 3,500.0 | $12.63 |
| Yan Ming | Chief Technology Officer | 2022-09-19 | Sale | 20,000.0 | $12.42 |
| Jiang Wenbin | President and CEO | 2022-09-07 | Sale | 20,000.0 | $12.89 |
| Jeanmonod Patrik | Chief Financial Officer | 2022-08-24 | Sale | 3,500.0 | $13.45 |
| Yan Ming | Chief Technology Officer | 2022-08-19 | Sale | 20,000.0 | $13.62 |
| Jiang Wenbin | President and CEO | 2022-08-08 | Sale | 20,000.0 | $15.09 |
| Jeanmonod Patrik | Chief Financial Officer | 2022-08-01 | Sale | 3,500.0 | $12.8 |
| Yan Ming | Chief Technology Officer | 2022-07-19 | Sale | 20,000.0 | $11.83 |
| Jiang Wenbin | President and CEO | 2022-07-07 | Sale | 20,000.0 | $11.19 |
| Yan Ming | Chief Technology Officer | 2022-06-21 | Sale | 20,000.0 | $10.06 |
| Jiang Wenbin | President and CEO | 2022-06-07 | Sale | 20,000.0 | $10.75 |
| Yan Ming | Chief Technology Officer | 2022-05-19 | Sale | 20,000.0 | $9.92 |
| Jiang Wenbin | President and CEO | 2022-05-09 | Sale | 20,000.0 | $8.01 |
| Yan Ming | Chief Technology Officer | 2022-04-19 | Sale | 20,000.0 | $10.34 |
| Jiang Wenbin | President and CEO | 2022-04-07 | Sale | 20,000.0 | $10.54 |
| Yan Ming | Chief Technology Officer | 2022-03-21 | Sale | 20,000.0 | $11.64 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2022-03-15 | Purchase | 241,727.0 | $12.27 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2022-03-15 | Purchase | 241,727.0 | $12.27 |
| Kolchinsky Peter | Director,TenPercentOwner | 2022-03-15 | Purchase | 241,727.0 | $12.27 |
| Shah Rajeev M. | Director,TenPercentOwner | 2022-03-15 | Purchase | 241,727.0 | $12.27 |
| RA Capital Nexus Fund II, L.P. | Director | 2022-03-15 | Purchase | 241,727.0 | $12.27 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2022-03-14 | Purchase | 342,143.0 | $12.35 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2022-03-14 | Purchase | 342,143.0 | $12.35 |
| Kolchinsky Peter | Director,TenPercentOwner | 2022-03-14 | Purchase | 342,143.0 | $12.35 |
| Shah Rajeev M. | Director,TenPercentOwner | 2022-03-14 | Purchase | 342,143.0 | $12.35 |
| RA Capital Nexus Fund II, L.P. | Director | 2022-03-14 | Purchase | 342,143.0 | $12.35 |
| RA Capital Healthcare Fund LP | Director | 2022-03-11 | Purchase | 337,492.0 | $12.77 |
| RA CAPITAL MANAGEMENT, L.P. | Director | 2022-03-11 | Purchase | 337,492.0 | $12.77 |
| Kolchinsky Peter | Director | 2022-03-11 | Purchase | 337,492.0 | $12.77 |
| Shah Rajeev M. | Director | 2022-03-11 | Purchase | 337,492.0 | $12.77 |
| RA Capital Nexus Fund II, L.P. | Director | 2022-03-11 | Purchase | 337,492.0 | $12.77 |
| RA Capital Healthcare Fund LP | Director | 2022-03-10 | Purchase | 256,992.0 | $12.95 |
| RA CAPITAL MANAGEMENT, L.P. | Director | 2022-03-10 | Purchase | 256,992.0 | $12.95 |
| Kolchinsky Peter | Director | 2022-03-10 | Purchase | 256,992.0 | $12.95 |
| Shah Rajeev M. | Director | 2022-03-10 | Purchase | 256,992.0 | $12.95 |
| RA Capital Nexus Fund II, L.P. | Director | 2022-03-10 | Purchase | 256,992.0 | $12.95 |
| RA Capital Healthcare Fund LP | Director | 2022-03-09 | Purchase | 40,154.0 | $12.99 |
| RA CAPITAL MANAGEMENT, L.P. | Director | 2022-03-09 | Purchase | 40,154.0 | $12.99 |
| Kolchinsky Peter | Director | 2022-03-09 | Purchase | 40,154.0 | $12.99 |
| Shah Rajeev M. | Director | 2022-03-09 | Purchase | 40,154.0 | $12.99 |
| RA Capital Nexus Fund II, L.P. | Director | 2022-03-09 | Purchase | 40,154.0 | $12.99 |
| RA Capital Healthcare Fund LP | Director | 2022-03-08 | Purchase | 245,701.0 | $12.86 |
| RA CAPITAL MANAGEMENT, L.P. | Director | 2022-03-08 | Purchase | 245,701.0 | $12.86 |
| Kolchinsky Peter | Director | 2022-03-08 | Purchase | 245,701.0 | $12.86 |
| Shah Rajeev M. | Director | 2022-03-08 | Purchase | 245,701.0 | $12.86 |
| RA Capital Nexus Fund II, L.P. | Director | 2022-03-08 | Purchase | 245,701.0 | $12.86 |