| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 13F-HR | Open Document | Open Filing | Feb 13, 2015 | Dec 31, 2014 | 028-14829 | |
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | Feb 13, 2015 | ||
| 13F-HR | Open Document | Open Filing | Nov 14, 2014 | Sep 30, 2014 | 028-14829 | |
| 13F-NT | Open Document | Open Filing | Aug 7, 2014 | Jun 30, 2014 | 028-14829 | |
| 13F-NT | Open Document | Open Filing | Apr 29, 2014 | Mar 31, 2014 | 028-14829 | |
| 13F-NT | Open Document | Open Filing | Feb 3, 2014 | Dec 31, 2013 | 028-14829 |