| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2022 | 26 Apr 2022 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2022 | 01 Apr 2022 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Mar 2022 | 22 Mar 2022 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2022 | 16 Feb 2022 | 000-26642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2021 | 01 Apr 2021 | 000-26642 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2021 | 01 Apr 2021 | 000-26642 |