| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2022 | 21 Jul 2022 | 000-12697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2022 | 04 Apr 2022 | 000-12697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Sep 2021 | 01 Sep 2021 | 000-12697 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Sep 2021 | 31 Aug 2021 | 000-12697 |