| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2023 | 15 Nov 2023 | 000-52520 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Nov 2023 | 15 Nov 2023 | 000-52520 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2021 | 30 Aug 2021 | 000-52520 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2021 | 30 Aug 2021 | 000-52520 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2020 | 24 Feb 2020 | 000-52520 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Dec 2019 | 20 May 2016 | 000-52520 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 May 2016 | 18 May 2016 | 000-52520 |