| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13D/A | Report | Dec 17, 2018 | ||
| SC 13D/A | Report | Nov 1, 2018 | ||
| SC 13D/A | Report | Oct 30, 2018 | ||
| SC 13D | Report | Feb 2, 2018 | ||
| SC 13D/A | Report | SC 13D/A | Aug 2, 2016 | |
| SC 13D | Report | Jul 26, 2016 | ||
| SC 13G | Report | Feb 12, 2016 | ||
| SC 13G/A | Report | Feb 17, 2015 | ||
| SC 13G/A | Report | Feb 14, 2014 | ||
| SC 13G/A | Report | Feb 12, 2013 | ||
| SC 13G | Report | Feb 14, 2012 |