| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CSBR | CEO | Mar 17, 2023 | Buy | $4.04 | 12,382 | 49,969 | 858,878 | Mar 21, 2023, 12:30 PM |
| CSBR | CEO | Mar 11, 2020 | Option Exercise | $5.74 | 126,940 | 728,575 | 964,108 | Nov 03, 2020, 05:38 PM |
| CSBR | CEO | Mar 24, 2020 | Sale | $5.25 | 75 | 394 | 837,168 | Mar 26, 2020, 02:52 PM |
| CSBR | CEO | Mar 20, 2020 | Buy | $4.75 | 75 | 356 | 837,243 | Mar 24, 2020, 09:54 AM |
| CSBR | CEO | Jan 16, 2019 | Option Exercise | $4.80 | 4,167 | 20,002 | 837,168 | Jan 16, 2019, 03:39 PM |
| CSBR | CEO | Dec 19, 2018 | Buy | $7.44 | 20,000 | 148,800 | 833,001 | Dec 20, 2018, 03:18 PM |
| CSBR | CEO | Oct 11, 2018 | Option Exercise | $12.34 | 303,581 | 3,746,190 | 813,001 | Oct 15, 2018, 02:05 PM |
| CSBR | CEO | Mar 27, 2018 | Buy | $3.62 | 2,300 | 8,319 | 1,116,582 | Mar 28, 2018, 05:26 PM |
| CSBR | CEO | Mar 26, 2018 | Buy | $3.57 | 2,235 | 7,979 | 1,114,282 | Mar 28, 2018, 05:26 PM |
| CSBR | CEO | Mar 22, 2018 | Buy | $3.49 | 260 | 907 | 1,112,047 | Mar 26, 2018, 04:05 PM |
| CSBR | CEO | Mar 23, 2018 | Buy | $3.50 | 440 | 1,540 | 1,111,847 | Mar 26, 2018, 04:05 PM |
| CSBR | President | Oct 21, 2016 | Buy | $1.66 | 30,000 | 49,900 | 1,111,347 | Oct 24, 2016, 02:05 PM |
| CSBR | President | Oct 19, 2016 | Buy | $1.70 | 10,000 | 17,000 | 1,081,347 | Oct 20, 2016, 04:35 PM |
| CSBR | President | Oct 14, 2016 | Buy | $1.66 | 10,305 | 17,106 | 1,071,347 | Oct 17, 2016, 09:54 AM |
| CSBR | President | Oct 13, 2016 | Buy | $1.67 | 29,695 | 49,494 | 1,061,042 | Oct 14, 2016, 01:09 PM |
| CSBR | President | Oct 10, 2016 | Buy | $1.66 | 9,537 | 15,831 | 1,031,347 | Oct 11, 2016, 10:38 AM |
| CSBR | President | Sep 20, 2016 | Buy | $1.58 | 3,000 | 4,740 | 1,021,810 | Sep 21, 2016, 02:27 PM |
| CSBR | President | Jul 21, 2016 | Option Exercise | $4.55 | 94,564 | 430,266 | 3,737,564 | Sep 14, 2016, 03:28 PM |
| CSBR | President | Mar 19, 2014 | Buy | $1.07 | 100,000 | 106,990 | 961,648 | Mar 21, 2014, 02:36 PM |
| CSBR | President | Jan 28, 2013 | Buy | $0.50 | 500,000 | 250,000 | 833,333 | Jan 30, 2013, 05:00 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CSBR | CEO | Mar 17, 2023 | Buy | 49,969 |
| CSBR | CEO | Mar 11, 2020 | Option Exercise | 728,575 |
| CSBR | CEO | Mar 24, 2020 | Sale | 394 |
| CSBR | CEO | Mar 20, 2020 | Buy | 356 |
| CSBR | CEO | Jan 16, 2019 | Option Exercise | 20,002 |
| CSBR | CEO | Dec 19, 2018 | Buy | 148,800 |
| CSBR | CEO | Oct 11, 2018 | Option Exercise | 3,746,190 |
| CSBR | CEO | Mar 27, 2018 | Buy | 8,319 |
| CSBR | CEO | Mar 26, 2018 | Buy | 7,979 |
| CSBR | CEO | Mar 22, 2018 | Buy | 907 |
| CSBR | CEO | Mar 23, 2018 | Buy | 1,540 |
| CSBR | President | Oct 21, 2016 | Buy | 49,900 |
| CSBR | President | Oct 19, 2016 | Buy | 17,000 |
| CSBR | President | Oct 14, 2016 | Buy | 17,106 |
| CSBR | President | Oct 13, 2016 | Buy | 49,494 |
| CSBR | President | Oct 10, 2016 | Buy | 15,831 |
| CSBR | President | Sep 20, 2016 | Buy | 4,740 |
| CSBR | President | Jul 21, 2016 | Option Exercise | 430,266 |
| CSBR | President | Mar 19, 2014 | Buy | 106,990 |
| CSBR | President | Jan 28, 2013 | Buy | 250,000 |