| 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 | 29 Dec 2025 | 0001478831 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CDTX | Common Stock | Gift | $0 | -33,072 | -59% | $0.000000 | 23,127 | 10 Dec 2025 | Direct | F1 |
| transaction | CDTX | Common Stock | Gift | $0 | +33,072 | +135% | $0.000000 | 57,652 | 10 Dec 2025 | By trust | F1 |
| transaction | CDTX | Common Stock | Gift | $0 | -2,244 | -9.7% | $0.000000 | 20,883 | 17 Dec 2025 | Direct | F1 |
| transaction | CDTX | Common Stock | Gift | $0 | +2,244 | +3.9% | $0.000000 | 59,896 | 17 Dec 2025 | By trust | F1 |
| transaction | CDTX | Common Stock | Gift | $0 | -10,638 | -51% | $0.000000 | 10,295 | 19 Dec 2025 | Direct | F1, F2 |
| transaction | CDTX | Common Stock | Gift | $0 | +10,638 | +18% | $0.000000 | 70,534 | 19 Dec 2025 | By trust | F1 |
| transaction | CDTX | Common Stock | Gift | $0 | -5,425 | -7.7% | $0.000000 | 65,109 | 22 Dec 2025 | By trust | F3 |
| holding | CDTX | Common Stock | 2,100 | 10 Dec 2025 | By son |
| Id | Content |
|---|---|
| F1 | Gift transfer of shares from Reporting Person to trust for no consideration. |
| F2 | Includes 50 shares acquired pursuant to the Issuer's Employee Stock Purchase Plan (ESPP) on December 18, 2025. |
| F3 | 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. |