| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| ESXB | President and CEO | Sep 01, 2021 | Buy | $11.45 | 587 | 6,721 | 128,654 | Sep 03, 2021, 05:53 PM |
| ESXB | President and CEO | Jun 01, 2021 | Buy | $8.74 | 655 | 5,725 | 128,067 | Jun 07, 2021, 06:32 PM |
| ESXB | President and CEO | Mar 01, 2021 | Buy | $7.95 | 340 | 2,703 | 127,412 | Mar 03, 2021, 08:37 PM |
| ESXB | President and CEO | Dec 01, 2020 | Option Exercise | $1.25 | 50,000 | 62,500 | 127,073 | Dec 03, 2020, 08:56 PM |
| ESXB | President and CEO | Dec 01, 2020 | Buy | $6.81 | 393 | 2,676 | 77,073 | Dec 03, 2020, 08:56 PM |
| ESXB | President and CEO | Sep 01, 2020 | Buy | $5.14 | 430 | 2,210 | 76,680 | Dec 03, 2020, 08:56 PM |
| ESXB | President and CEO | Feb 25, 2020 | Buy | $8.65 | 3,000 | 25,950 | 76,250 | Feb 27, 2020, 07:15 PM |
| ESXB | President and CEO | Nov 29, 2019 | Option Exercise | $2.78 | 20,000 | 55,600 | 73,250 | Dec 03, 2019, 07:00 PM |
| ESXB | President and CEO | Oct 31, 2017 | Buy | $8.80 | 10,000 | 88,000 | 48,250 | Dec 03, 2019, 07:00 PM |
| ESXB | President and CEO | Aug 20, 2018 | Buy | $8.85 | 2,000 | 17,700 | 52,250 | Aug 22, 2018, 05:36 PM |
| ESXB | President and CEO | Nov 08, 2017 | Buy | $8.20 | 3,000 | 24,600 | 50,250 | Nov 13, 2017, 06:03 AM |
| ESXB | President and CEO | Oct 31, 2017 | Buy | $8.80 | 10,000 | 88,000 | 47,250 | Nov 01, 2017, 04:31 PM |
| ESXB | President and CEO | May 23, 2017 | Buy | $8.00 | 1,000 | 8,000 | 38,250 | May 31, 2017, 05:46 PM |
| ESXB | President and CEO | May 04, 2016 | Buy | $5.01 | 1,000 | 5,010 | 37,250 | May 06, 2016, 04:26 PM |
| ESXB | President and CEO | Feb 12, 2016 | Buy | $4.98 | 250 | 1,245 | 36,250 | Feb 17, 2016, 05:34 PM |
| ESXB | President and CEO | May 07, 2014 | Buy | $4.09 | 1,500 | 6,135 | 36,000 | May 09, 2014, 09:11 AM |
| BTC | President and CEO | May 07, 2013 | Buy | $3.15 | 1,000 | 3,150 | 34,500 | May 09, 2013, 04:05 PM |
| BTC | President and CEO | Dec 31, 2012 | Buy | $2.63 | 7,000 | 18,410 | 8,500 | Jan 03, 2013, 04:58 PM |
| BTC | President and CEO | May 31, 2011 | Buy | $1.18 | 1,500 | 1,770 | 1,500 | Jun 02, 2011, 04:20 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| ESXB | President and CEO | Sep 01, 2021 | Buy | 6,721 |
| ESXB | President and CEO | Jun 01, 2021 | Buy | 5,725 |
| ESXB | President and CEO | Mar 01, 2021 | Buy | 2,703 |
| ESXB | President and CEO | Dec 01, 2020 | Option Exercise | 62,500 |
| ESXB | President and CEO | Dec 01, 2020 | Buy | 2,676 |
| ESXB | President and CEO | Sep 01, 2020 | Buy | 2,210 |
| ESXB | President and CEO | Feb 25, 2020 | Buy | 25,950 |
| ESXB | President and CEO | Nov 29, 2019 | Option Exercise | 55,600 |
| ESXB | President and CEO | Oct 31, 2017 | Buy | 88,000 |
| ESXB | President and CEO | Aug 20, 2018 | Buy | 17,700 |
| ESXB | President and CEO | Nov 08, 2017 | Buy | 24,600 |
| ESXB | President and CEO | Oct 31, 2017 | Buy | 88,000 |
| ESXB | President and CEO | May 23, 2017 | Buy | 8,000 |
| ESXB | President and CEO | May 04, 2016 | Buy | 5,010 |
| ESXB | President and CEO | Feb 12, 2016 | Buy | 1,245 |
| ESXB | President and CEO | May 07, 2014 | Buy | 6,135 |
| BTC | President and CEO | May 07, 2013 | Buy | 3,150 |
| BTC | President and CEO | Dec 31, 2012 | Buy | 18,410 |
| BTC | President and CEO | May 31, 2011 | Buy | 1,770 |