| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jul 2021 | 01 Jul 2021 | 000-05286 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Dec 2017 | 28 Dec 2017 | 000-05286 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2017 | 30 Apr 2017 | 000-05286 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Sep 2015 | 09 Sep 2015 | 000-05286 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2015 | 13 Aug 2015 | 000-05286 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2015 | 30 Apr 2015 | 000-05286 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2015 | 23 Dec 2014 | 000-05286 |