| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CSBR | Director | Jan 19, 2021 | Option Exercise | $11.53 | 8,873 | 102,306 | 81,274 | Feb 08, 2021, 04:46 PM |
| CSBR | Director | Jan 19, 2021 | Option Exercise | $3.41 | 30,000 | 102,300 | 90,147 | Feb 08, 2021, 04:46 PM |
| CSBR | Director | Jan 09, 2012 | Option Exercise | $0.75 | 11,333 | 8,500 | 588,667 | Jun 07, 2012, 03:47 PM |
| CSBR | Director | Jan 09, 2012 | Option Exercise | $0.17 | 50,000 | 8,500 | 600,000 | Jun 07, 2012, 03:47 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CSBR | Director | Jan 19, 2021 | Option Exercise | 102,306 |
| CSBR | Director | Jan 19, 2021 | Option Exercise | 102,300 |
| CSBR | Director | Jan 09, 2012 | Option Exercise | 8,500 |
| CSBR | Director | Jan 09, 2012 | Option Exercise | 8,500 |