| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | AMENDMENT TO FORM SC 13G | Feb 12, 2021 | |
| SC 13G/A | Report | AMENDMENT TO FORM SC 13G | Feb 14, 2020 | |
| SC 13G | Report | ACQUISITION OF BENEFICIAL OWNERSHIP | May 23, 2019 | |
| SC 13G/A | Report | SC 13G/A | Feb 15, 2019 | |
| SC 13G | Report | SC 13G | Aug 10, 2018 | |
| SC 13G/A | Report | MS AMENDMENT | Aug 9, 2018 | |
| SC 13G | Report | MS INITIAL | May 17, 2018 | |
| SC 13G/A | Report | SCHEDULE 13G/A (AMENDMENT NO. 3) | Feb 14, 2018 | |
| SC 13G/A | Report | AMENDMENT NO. 3 | Feb 12, 2018 | |
| SC 13G/A | Report | EMPERY ASSET MANAGEMENT, LP | Jan 16, 2018 | |
| SC 13G | Report | AURIS MEDICAL HOLDING AG | Feb 17, 2017 | |
| SC 13G/A | Report | AMENDMENT NO. 2 TO SCHEDULE 13G | Feb 14, 2017 | |
| SC 13G/A | Report | Feb 14, 2017 | ||
| SC 13G/A | Report | Sep 9, 2016 | ||
| SC 13G/A | Report | SC 13G/A | Jul 14, 2016 | |
| SC 13G | Report | Feb 16, 2016 | ||
| SC 13G/A | Report | LIVE SUBMISSION | Feb 12, 2016 | |
| SC 13G/A | Report | SC 13G/A | Feb 12, 2016 | |
| SC 13G/A | Report | AMENDMENT NO. 1 TO SCHEDULE 13G | Feb 12, 2016 | |
| SC 13G | Report | SC 13G | May 14, 2015 | |
| SC 13G | Report | SCH 13G | Feb 13, 2015 | |
| SC 13G | Report | SCHEDULE 13G | Feb 13, 2015 | |
| SC 13G | Report | SCHEDULE 13G | Feb 13, 2015 | |
| SC 13G | Report | Feb 13, 2015 |