| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CNAT | SVP, Bus Dev, P&A Mgmt | Nov 14, 2018 | Option Exercise | $3.15 | 1,861 | 5,862 | 32,431 | Feb 11, 2019, 04:19 PM |
| CNAT | SVP, Bus Dev, P&A Mgmt | May 14, 2018 | Option Exercise | $3.31 | 1,290 | 4,270 | 30,570 | Feb 11, 2019, 04:19 PM |
| CNAT | SVP, Bus Dev, P&A Mgmt | May 12, 2017 | Option Exercise | $1.70 | 761 | 1,294 | 28,462 | Feb 05, 2018, 05:02 PM |
| CNAT | SVP, Bus Dev, P&A Mgmt | Nov 14, 2017 | Option Exercise | $3.48 | 818 | 2,847 | 29,280 | Feb 05, 2018, 05:02 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CNAT | SVP, Bus Dev, P&A Mgmt | Nov 14, 2018 | Option Exercise | 5,862 |
| CNAT | SVP, Bus Dev, P&A Mgmt | May 14, 2018 | Option Exercise | 4,270 |
| CNAT | SVP, Bus Dev, P&A Mgmt | May 12, 2017 | Option Exercise | 1,294 |
| CNAT | SVP, Bus Dev, P&A Mgmt | Nov 14, 2017 | Option Exercise | 2,847 |