| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 1 | Dec 12, 2014 | ||
| 13F-HR | Open Document | Open Filing | Nov 14, 2014 | Sep 30, 2014 | 028-15371 | |
| 13F-HR | Open Document | Open Filing | Aug 14, 2014 | Jun 30, 2014 | 028-15371 | |
| 13F-HR | Open Document | Open Filing | May 15, 2014 | Mar 31, 2014 | 028-15371 | |
| 13F-HR | Open Document | Open Filing | Feb 14, 2014 | Dec 31, 2013 | 028-15371 | |
| SC 13G | Open Document | Open Filing | Feb 14, 2014 |