| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 13, 2018 | ||
| 13F-HR | Open Document | Open Filing | Apr 29, 2016 | Mar 31, 2016 | 028-17422 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 10, 2016 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 9, 2015 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 9, 2015 | ||
| SC 13G | Open Document | Open Filing | FORM SC 13G | Feb 14, 2014 | ||
| SC 13G | Open Document | Open Filing | FORM SC 13G | Feb 14, 2014 |