| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2022 | 01 Apr 2022 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2021 | 13 Dec 2021 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2020 | 02 Nov 2020 | 000-33385 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2020 | 10 Mar 2020 | 000-33385 |