| Filed On | Filing |
|---|---|
| 11 Feb 2022 | AMENDMENT NO. 3 TO SCHEDULE 13G |
| 09 Feb 2021 | CHEK 13GA |
| 29 Jan 2021 | AMENDMENT NO. 2 TO SCHEDULE 13G |
| 05 Jan 2021 | SABBY 13G-A CHEK 1.05.21 |
| 09 Apr 2020 | AMENDMENT NO. 1 |
| 11 Feb 2020 | AMENDMENT NO. 1 TO SCHEDULE 13G |
| 03 Jan 2019 | SABBY 13G-A CHEK 1.03.19 |
| 14 Feb 2018 | SC 13G/A |
| 07 Feb 2018 | SC 13G/A |
| 09 Jan 2018 | SABBY 13G-A CHEK 1.09.18 |
| 20 Jan 2017 | SC 13G/A |
| 28 Jan 2016 | SC 13G/A |
| 15 May 2015 | SC 13G/A |
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