| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CYTH | Chief Executive Officer | Feb 07, 2022 | Buy | $3.58 | 10,334 | 36,996 | 145,000 | Feb 07, 2022, 03:50 PM |
| CYTH | Chief Executive Officer | Jan 19, 2022 | Buy | $3.89 | 5,000 | 19,450 | 134,666 | Jan 19, 2022, 02:59 PM |
| CYTH | Chief Executive Officer | Dec 15, 2021 | Buy | $3.89 | 5,000 | 19,450 | 129,666 | Dec 15, 2021, 11:19 AM |
| CYTH | Chief Executive Officer | Dec 02, 2021 | Buy | $4.93 | 5,000 | 24,650 | 124,666 | Dec 02, 2021, 04:34 PM |
| CYTH | Chief Executive Officer | Nov 19, 2021 | Buy | $5.25 | 5,000 | 26,250 | 119,666 | Nov 19, 2021, 01:05 PM |
| CYTH | Chief Executive Officer | Sep 15, 2021 | Buy | $6.35 | 5,000 | 31,750 | 114,666 | Sep 15, 2021, 03:39 PM |
| CTDH | Chief Executive Officer | Apr 24, 2020 | Buy | $0.10 | 730,030 | 73,003 | 7,466,513 | Apr 27, 2020, 04:07 PM |
| CTDH | Chief Executive Officer | Sep 18, 2019 | Buy | $0.17 | 10,000 | 1,750 | 6,736,483 | Sep 19, 2019, 01:27 PM |
| CTDH | Chief Executive Officer | Jul 31, 2019 | Buy | $0.25 | 50,000 | 12,500 | 6,726,483 | Jul 31, 2019, 11:02 AM |
| CTDH | Director | Feb 19, 2014 | Buy | $0.05 | 4,500,000 | 225,000 | 4,500,000 | Feb 21, 2014, 04:32 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CYTH | Chief Executive Officer | Feb 07, 2022 | Buy | 36,996 |
| CYTH | Chief Executive Officer | Jan 19, 2022 | Buy | 19,450 |
| CYTH | Chief Executive Officer | Dec 15, 2021 | Buy | 19,450 |
| CYTH | Chief Executive Officer | Dec 02, 2021 | Buy | 24,650 |
| CYTH | Chief Executive Officer | Nov 19, 2021 | Buy | 26,250 |
| CYTH | Chief Executive Officer | Sep 15, 2021 | Buy | 31,750 |
| CTDH | Chief Executive Officer | Apr 24, 2020 | Buy | 73,003 |
| CTDH | Chief Executive Officer | Sep 18, 2019 | Buy | 1,750 |
| CTDH | Chief Executive Officer | Jul 31, 2019 | Buy | 12,500 |
| CTDH | Director | Feb 19, 2014 | Buy | 225,000 |