| Filed On | Filing |
|---|---|
| 27 May 2022 | AMENDMENT NO. 1 TO SCHEDULE 13G |
| 05 Jan 2022 | SABBY 13G-A QLGN 1.04.22 |
| 14 Feb 2020 | SC 13G/A |
| 29 Jan 2020 | SC 13G/A |
| 28 Jan 2020 | SC 13G/A |
| 14 Feb 2019 | SC 13G/A |
| 13 Feb 2019 | SC 13G/A |
| 14 Feb 2018 | SC 13G/A |
| 09 Jan 2018 | SABBY 13G-A RTTR 1.09.18 |
| 15 Feb 2017 | SC 13G/A |
| 15 Feb 2017 | SC 13G/A |
| 14 Feb 2017 | SC 13G/A |
| 10 Feb 2017 | SC 13G/A |
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