| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CSBR | Director | Mar 23, 2021 | Option Exercise | $11.35 | 1,340 | 15,209 | 2,827 | Mar 25, 2021, 03:27 PM |
| CSBR | Director | Mar 23, 2021 | Option Exercise | $3.65 | 4,167 | 15,210 | 4,167 | Mar 25, 2021, 03:27 PM |
| CSBR | Director | Dec 16, 2020 | Sale | $11.35 | 31,443 | 356,976 | 0 | Dec 17, 2020, 09:29 AM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CSBR | Director | Mar 23, 2021 | Option Exercise | 15,209 |
| CSBR | Director | Mar 23, 2021 | Option Exercise | 15,210 |
| CSBR | Director | Dec 16, 2020 | Sale | 356,976 |