| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CDTX | COO & CFO | May 20, 2016 | Buy | $11.53 | 4,356 | 50,225 | 58,253 | May 23, 2016, 04:34 PM |
| CDTX | COO & CFO | Nov 23, 2015 | Buy | $14.23 | 7,087 | 100,848 | 51,719 | Nov 23, 2015, 07:18 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CDTX | COO & CFO | May 20, 2016 | Buy | 50,225 |
| CDTX | COO & CFO | Nov 23, 2015 | Buy | 100,848 |