| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G | Report | SCHEDULE 13G | Apr 29, 2019 | |
| SC 13G/A | Report | Feb 12, 2018 | ||
| SC 13G/A | Report | Feb 23, 2017 | ||
| SC 13G/A | Report | Mar 3, 2016 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2015 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2014 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Sep 11, 2012 | |
| SC 13G/A | Report | AMENDMENT TO SCHEDULE 13G | Feb 14, 2012 | |
| SC 13G | Report | Apr 19, 2011 |