| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2022 | 15 Mar 2022 | 001-33912 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2021 | 16 Mar 2021 | 001-33912 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Sep 2020 | 15 Sep 2020 | 001-33912 |