| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2021 | 01 Sep 2021 | 000-12196 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2021 | 27 Aug 2021 | 000-12196 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2020 | 14 Feb 2020 | 000-12196 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2020 | 05 Feb 2020 | 000-12196 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Dec 2018 | 30 Nov 2018 | 000-12196 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Aug 2018 | 29 Aug 2018 | 000-12196 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2018 | 22 Aug 2018 | 000-12196 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2017 | 16 Nov 2017 | 000-12196 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2015 | 20 May 2015 | 000-12196 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Aug 2014 | 22 Aug 2014 | 000-12196 |