| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CORVF | Director | Oct 13, 2020 | Option Exercise | $0.36 | 125,000 | 45,250 | 135,000 | Oct 19, 2020, 06:56 PM |
| CORVF | Director | Oct 13, 2020 | Sale | $2.76 | 125,000 | 345,000 | 10,000 | Oct 19, 2020, 06:56 PM |
| OVTZ | Chief Executive Officer (CEO) | Jun 24, 2019 | Buy | $0.06 | 3,000,000 | 171,000 | 8,600,000 | Jul 02, 2019, 05:19 PM |
| CORVF | Director | Apr 25, 2019 | Option Exercise | $1.04 | 120,000 | 124,800 | 255,000 | Apr 30, 2019, 08:54 PM |
| CORVF | Director | Apr 25, 2019 | Sale | $1.30 | 120,000 | 156,000 | 135,000 | Apr 30, 2019, 08:54 PM |
| CORVF | Director | Nov 15, 2018 | Option Exercise | $0.66 | 300,000 | 196,500 | 335,000 | Nov 19, 2018, 06:49 PM |
| CORVF | Director | Nov 15, 2018 | Sale | $1.51 | 200,000 | 302,000 | 135,000 | Nov 19, 2018, 06:49 PM |
| CORVF | Director | May 05, 2016 | Option Exercise | $0.39 | 100,000 | 38,900 | 115,000 | May 09, 2016, 06:27 PM |
| CORVF | Director | May 09, 2016 | Sale | $0.69 | 10,000 | 6,930 | 35,000 | May 09, 2016, 06:27 PM |
| CORVF | Director | May 06, 2016 | Sale | $0.74 | 10,000 | 7,400 | 45,000 | May 09, 2016, 06:27 PM |
| CORVF | Director | May 05, 2016 | Sale | $0.67 | 60,000 | 40,415 | 111,000 | May 09, 2016, 06:27 PM |
| CORVF | Chief Executive Officer (CEO) | Oct 15, 2015 | Buy | $0.07 | 5,600,000 | 392,000 | 5,600,000 | Oct 19, 2015, 01:58 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CORVF | Director | Oct 13, 2020 | Option Exercise | 45,250 |
| CORVF | Director | Oct 13, 2020 | Sale | 345,000 |
| OVTZ | Chief Executive Officer (CEO) | Jun 24, 2019 | Buy | 171,000 |
| CORVF | Director | Apr 25, 2019 | Option Exercise | 124,800 |
| CORVF | Director | Apr 25, 2019 | Sale | 156,000 |
| CORVF | Director | Nov 15, 2018 | Option Exercise | 196,500 |
| CORVF | Director | Nov 15, 2018 | Sale | 302,000 |
| CORVF | Director | May 05, 2016 | Option Exercise | 38,900 |
| CORVF | Director | May 09, 2016 | Sale | 6,930 |
| CORVF | Director | May 06, 2016 | Sale | 7,400 |
| CORVF | Director | May 05, 2016 | Sale | 40,415 |
| CORVF | Chief Executive Officer (CEO) | Oct 15, 2015 | Buy | 392,000 |