| 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 | 29 Dec 2025 | 0002067554 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CDTX | Common Stock | Gift | $0 | -450 | -2.1% | $0.000000 | 20,886 | 29 Dec 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | This transaction reflects a bona fide gift of the Issuer's stock to a donor-advised fund (DAF) for charitable purposes. The Reporting Person retains no beneficial ownership or control over the donated securities following the contribution. |
| F2 | Includes 50 shares acquired pursuant to the Issuer's Employee Stock Purchase Plan (ESPP) on December 18, 2025. |