| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Huang James | Director | C/O PANACEA VENTURE, NO. 5, LANE 1350, FUXING MIDDLE ROAD, SHANGHAI, CHINA | /s/ James Huang | 18 Mar 2026 | 0001573160 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | CNTB | Ordinary Shares | 12,000,000 | 18 Mar 2026 | See Footnote | F1 |
| Id | Content |
|---|---|
| F1 | Panacea Venture Healthcare Fund II, L.P. is the record holder of the Ordinary Shares reported herein. James Huang is the sole owner of Panacea Innovation Limited, which is the sole owner of Panacea Venture Healthcare Fund II GP Company, Ltd., which is the general partner of Panacea Venture Healthcare Fund II, L.P. As a result, James Huang may be deemed to share beneficial ownership of the Ordinary Shares reported herein, but disclaims such beneficial ownership. |