| 08 Sept 2020 | EXERCISE | Spectra Systems Corporation | 62,785 | 0.25 GBP | |
| 22 May 2020 | SALE | Spectra Systems Corporation | 23,869 | — | |
| 22 May 2020 | SALE | Spectra Systems Corporation | 10,000 | — | |
| 21 Feb 2019 | SALE | Spectra Systems Corporation | 18,003 | — | |
| 21 Feb 2019 | SALE | Spectra Systems Corporation | 10,000 | — | |
| 21 Feb 2019 | SALE | Spectra Systems Corp Shs Reg-S | 18,003 | — | |
| 21 Feb 2019 | SALE | Spectra Systems Corp Shs Reg-S | 10,000 | — | |
| 09 Apr 2018 | EXERCISE | Spectra Systems Corporation | 33,869 | 0.60 USD | |
| 09 Apr 2018 | EXERCISE | Spectra Systems Corp Shs Reg-S | 33,869 | 0.60 USD | |
| 23 Oct 2017 | EXERCISE | Spectra Systems Corporation | 28,003 | 0.60 USD | |