| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2023 | 24 May 2023 | 000-19065 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2022 | 25 May 2022 | 000-19065 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2021 | 28 Apr 2021 | 000-19065 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Apr 2020 | 01 Apr 2020 | 000-19065 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2020 | 01 Apr 2020 | 000-19065 |