| Filed On | Filing |
|---|---|
| 17 May 2022 | SCHEDULE 13G |
| 26 Mar 2021 | SC 13G |
| 17 Mar 2021 | SC 13G |
| 16 Nov 2020 | THE SCHEDULE 13G |
| 16 Nov 2020 | ACQUISITION OF BENEFICIAL OWNERSHIP |
| 12 Nov 2020 | EMPERY ASSET MANAGEMENT, LP |
| 10 Aug 2020 | SC 13G |
| 05 Feb 2019 | SC 13G |
| 29 Oct 2018 | SC 13G |
| 26 Oct 2018 | SC 13G |
| 29 Feb 2016 | SABBY 13G RNN 2.29.16 |
| 10 Nov 2015 | REXAHN PHARMACEUTICALS, INC. |
| 04 Dec 2012 | SABBY 13G RNN 12.4.12 |
| 28 Jan 2011 | SC 13G |
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