| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2025 | Apr 30, 2025 | 000-22462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2024 | May 1, 2024 | 000-22462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2023 | May 3, 2023 | 000-22462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2022 | May 6, 2022 | 000-22462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2021 | May 5, 2021 | 000-22462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2020 | May 6, 2020 | 000-22462 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2020 | Feb 27, 2020 | 000-22462 |