| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2018 | 26 Feb 2018 | 000-22873 |
| 13F-HR | Open Document | Open Filing | 13 Feb 2017 | 31 Dec 2016 | 028-14329 | |
| 13F-HR | Open Document | Open Filing | 14 Nov 2016 | 30 Sep 2016 | 028-14329 | |
| 13F-HR | Open Document | Open Filing | 12 Aug 2016 | 30 Jun 2016 | 028-14329 | |
| 13F-HR | Open Document | Open Filing | 13 May 2016 | 31 Mar 2016 | 028-14329 | |
| 13F-HR | Open Document | Open Filing | 12 Feb 2016 | 31 Dec 2015 | 028-14329 | |
| 13F-HR | Open Document | Open Filing | 13 Nov 2015 | 30 Sep 2015 | 028-14329 | |
| 13F-HR | Open Document | Open Filing | 13 Aug 2015 | 30 Jun 2015 | 028-14329 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2015 | 16 Jun 2015 | 000-22873 |
| 13F-HR | Open Document | Open Filing | 14 May 2015 | 31 Mar 2015 | 028-14329 | |
| 13F-HR | Open Document | Open Filing | 13 Feb 2015 | 31 Dec 2014 | 028-14329 | |
| 13F-HR | Open Document | Open Filing | 13 Nov 2014 | 30 Sep 2014 | 028-14329 | |
| 13F-HR | Open Document | Open Filing | 13 Aug 2014 | 30 Jun 2014 | 028-14329 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Aug 2014 | 05 Aug 2014 | 001-36579 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2014 | 30 Jul 2014 | 001-36579 |
| 13F-HR | Open Document | Open Filing | 14 May 2014 | 31 Mar 2014 | 028-14329 | |
| 13F-HR | Open Document | Open Filing | 13 Feb 2014 | 31 Dec 2013 | 028-14329 |