| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Mar 8, 2022 | Mar 7, 2022 | 000-50796 | |
| 4 | Open Document | Open Filing | Mar 4, 2022 | Mar 2, 2022 | 000-50796 | |
| 4 | Open Document | Open Filing | Mar 5, 2021 | Mar 3, 2021 | 000-50796 | |
| 4 | Open Document | Open Filing | Feb 8, 2021 | Feb 4, 2021 | 000-50796 | |
| 3 | Open Document | Open Filing | Feb 18, 2020 | Feb 6, 2020 | 000-50796 |