| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 5, 2021 | Aug 2, 2021 | 001-31588 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2021 | May 6, 2021 | 001-31588 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2021 | Mar 29, 2021 | 001-31588 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 8, 2021 | Mar 4, 2021 | 001-31588 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2020 | Dec 1, 2020 | 001-31588 |