| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Nov 23, 2021 | Nov 23, 2021 | 001-40701 | |
| 4 | Open Document | Open Filing | Sep 2, 2021 | Aug 31, 2021 | 001-40701 | |
| 3 | Open Document | Open Filing | Jun 17, 2019 | May 31, 2019 | 000-53361 |