| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CBTX | Senior EVP & Chief HR Officer | May 11, 2020 | Option Exercise | $18.14 | 2,400 | 43,536 | 2,400 | May 21, 2020, 04:15 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CBTX | Senior EVP & Chief HR Officer | May 11, 2020 | Option Exercise | 43,536 |