| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 13F-HR | Open Document | Open Filing | Aug 14, 2014 | Jun 30, 2014 | 028-12834 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 30, 2014 | May 21, 2014 | 001-34906 |
| 13F-HR | Open Document | Open Filing | May 15, 2014 | Mar 31, 2014 | 028-12834 | |
| 13F-HR | Open Document | Open Filing | Feb 13, 2014 | Dec 31, 2013 | 028-12834 |