| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Oct 4, 2021 | Oct 1, 2021 | 001-38037 | |
| 4 | Open Document | Open Filing | Nov 13, 2020 | Nov 11, 2020 | 001-38037 | |
| 3 | Open Document | Open Filing | Aug 4, 2020 | Jul 30, 2020 | 001-38037 |