| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 12, 2025 | Jun 11, 2025 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2024 | Dec 11, 2024 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 13, 2024 | Jun 12, 2024 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2023 | Dec 13, 2023 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 15, 2023 | Jun 14, 2023 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2023 | Mar 6, 2023 | 000-15204 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 19, 2023 | Dec 31, 2022 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 7, 2020 | Dec 4, 2020 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2020 | Mar 18, 2020 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2019 | Feb 15, 2019 | 000-15204 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2017 | May 9, 2017 | 000-15204 |