| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 7, 2021 | Dec 3, 2021 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2021 | Feb 22, 2021 | 001-32590 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2021 | Feb 22, 2021 | 001-32590 |