| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 6, 2025 | Jun 4, 2025 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2024 | May 31, 2024 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2023 | Jun 1, 2023 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2023 | May 17, 2023 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 29, 2022 | Jun 29, 2022 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 15, 2022 | Jun 1, 2022 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 8, 2022 | Mar 7, 2022 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 20, 2021 | Sep 20, 2021 | 000-15572 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2021 | Jul 6, 2021 | 000-15572 |