| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2022 | 31 May 2022 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2021 | 22 Nov 2021 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2020 | 14 Dec 2020 | 000-33067 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2020 | 21 Oct 2020 | 000-33067 |