| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Stein Jeffrey | President & CEO, Director | 6310 NANCY RIDGE DRIVE, SUITE 101, SAN DIEGO | /s/ Shane Ward, Attorney-in-Fact | 12 Dec 2025 | 0001478831 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CDTX | Common Stock | Tax liability | $501,786 | -2,285 | -3.9% | $219.60 | 56,199 | 10 Dec 2025 | Direct | F1, F2 |
| holding | CDTX | Common Stock | 2,100 | 10 Dec 2025 | By son | ||||||
| holding | CDTX | Common Stock | 24,580 | 10 Dec 2025 | By trust |
| Id | Content |
|---|---|
| F1 | Shares withheld for taxes on RSU vesting. |
| F2 | Includes 600 shares acquired pursuant to the Issuer's Employee Stock Purchase Plan (ESPP), representing 200 shares purchased on each of the following dates: November 20, 2024; May 20, 2025; and November 20, 2025. |