| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Davarpanah Nicole Negar | Chief Medical Officer | 6310 NANCY RIDGE DRIVE, SUITE 101, SAN DIEGO | /s/ Shane Ward, Attorney-in-Fact | 12 Dec 2025 | 0002067554 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CDTX | Common Stock | Tax liability | $2,268,907 | -10,332 | -33% | $219.60 | 21,286 | 10 Dec 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Shares withheld for taxes on RSU vesting. |
| F2 | Includes 200 shares acquired pursuant to the Issuer's Employee Stock Purchase Plan (ESPP) on November 20, 2025. |