| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 29, 2023 | Jun 29, 2023 | 001-12879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2023 | Feb 1, 2023 | 001-12879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2022 | Mar 2, 2022 | 001-12879 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 7, 2021 | Apr 1, 2021 | 001-12879 |