| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | 09 Feb 2022 | 03 Dec 2021 | 000-09341 | |
| 4 | Open Document | Open Filing | 17 Nov 2021 | 09 Nov 2021 | 000-09341 | |
| 4 | Open Document | Open Filing | 21 Oct 2021 | 19 Aug 2021 | 000-09341 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2021 | 17 Jul 2021 | 000-09341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jul 2021 | 07 Jul 2021 | 000-09341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2020 | 17 Jul 2020 | 000-09341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jun 2020 | 27 Mar 2020 | 000-09341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Dec 2019 | 06 Dec 2019 | 000-09341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2019 | 01 Feb 2019 | 000-09341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2018 | 02 Feb 2018 | 000-09341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Dec 2017 | 01 Dec 2017 | 000-09341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2017 | 02 Dec 2016 | 000-09341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Dec 2016 | 02 Dec 2016 | 000-09341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Apr 2016 | 05 Feb 2016 | 000-09341 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2016 | 01 Jan 2016 | 000-09341 |