| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Mar 2023 | 20 Mar 2023 | 001-12647 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2023 | 27 Feb 2023 | 001-12647 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Apr 2022 | 04 Apr 2022 | 001-12647 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2022 | 08 Mar 2022 | 001-12647 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2021 | 04 Apr 2021 | 001-12647 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Aug 2020 | 29 Jul 2020 | 001-12647 |