| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CORVF | Chief Financial Officer (CFO) | Oct 15, 2020 | Option Exercise | $0.45 | 195,000 | 88,500 | 516,500 | Oct 21, 2020, 06:27 PM |
| CORVF | Chief Financial Officer (CFO) | Oct 15, 2020 | Sale | $2.42 | 145,300 | 351,875 | 497,300 | Oct 21, 2020, 06:27 PM |
| CORVF | Chief Financial Officer (CFO) | Oct 15, 2020 | Option Exercise | $0.45 | 195,000 | 88,500 | 516,500 | Oct 20, 2020, 07:35 PM |
| CORVF | Chief Financial Officer | Apr 25, 2019 | Option Exercise | $1.04 | 75,000 | 78,000 | 386,500 | Apr 30, 2019, 08:56 PM |
| CORVF | Chief Financial Officer | Apr 25, 2019 | Sale | $1.30 | 65,000 | 84,500 | 321,500 | Apr 30, 2019, 08:56 PM |
| CORVF | CHIEF FINANCIAL OFFICER (CFO) | Nov 15, 2018 | Option Exercise | $0.66 | 200,000 | 131,000 | 436,500 | Nov 19, 2018, 06:11 PM |
| CORVF | CHIEF FINANCIAL OFFICER (CFO) | Nov 15, 2018 | Sale | $1.53 | 125,000 | 191,250 | 311,500 | Nov 19, 2018, 06:11 PM |
| CORVF | CHIEF FINANCIAL OFFICER | Jul 26, 2017 | Option Exercise | $0.67 | 50,000 | 33,500 | 236,500 | Jul 31, 2017, 09:57 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CORVF | Chief Financial Officer (CFO) | Oct 15, 2020 | Option Exercise | 88,500 |
| CORVF | Chief Financial Officer (CFO) | Oct 15, 2020 | Sale | 351,875 |
| CORVF | Chief Financial Officer (CFO) | Oct 15, 2020 | Option Exercise | 88,500 |
| CORVF | Chief Financial Officer | Apr 25, 2019 | Option Exercise | 78,000 |
| CORVF | Chief Financial Officer | Apr 25, 2019 | Sale | 84,500 |
| CORVF | CHIEF FINANCIAL OFFICER (CFO) | Nov 15, 2018 | Option Exercise | 131,000 |
| CORVF | CHIEF FINANCIAL OFFICER (CFO) | Nov 15, 2018 | Sale | 191,250 |
| CORVF | CHIEF FINANCIAL OFFICER | Jul 26, 2017 | Option Exercise | 33,500 |