| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 5, 2022 | Jul 1, 2022 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2022 | May 24, 2022 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2022 | Jan 28, 2022 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2021 | May 24, 2021 | 000-21238 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2021 | May 24, 2021 | 000-21238 |