| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2022 | 12 Aug 2022 | 000-28304 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2021 | 11 Mar 2021 | 000-28304 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2021 | 03 Mar 2021 | 000-28304 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 May 2019 | 30 May 2019 | 000-28304 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2017 | 15 Nov 2017 | 000-28304 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2017 | 13 Nov 2017 | 000-28304 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2017 | 09 Nov 2017 | 000-28304 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2017 | 07 Nov 2017 | 000-28304 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2017 | 09 Jan 2017 | 000-28304 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2014 | 30 Sep 2014 | 000-28304 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2013 | 13 Dec 2013 | 000-28304 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Dec 2013 | 11 Dec 2013 | 000-28304 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2013 | 09 Dec 2013 | 000-28304 |