| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jun 28, 2022 | Jun 24, 2022 | 000-27019 | |
| 4 | Open Document | Open Filing | May 27, 2022 | May 26, 2022 | 000-27019 | |
| 3 | Open Document | Open Filing | Jul 29, 2021 | Jul 14, 2021 | 000-27019 |