| 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 | Feb 20, 2025 | Feb 19, 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 | Mar 16, 2023 | Mar 15, 2023 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2023 | Mar 9, 2023 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2022 | May 20, 2022 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 15, 2021 | Sep 14, 2021 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2021 | Jun 17, 2021 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2020 | Nov 27, 2020 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2020 | Jun 2, 2020 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2020 | Mar 5, 2020 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 10, 2019 | Jun 10, 2019 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2018 | Dec 10, 2018 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 21, 2017 | Jun 20, 2017 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 20, 2017 | Jun 19, 2017 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2017 | Feb 27, 2017 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2016 | Dec 16, 2016 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 1, 2016 | Oct 31, 2016 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2015 | Dec 18, 2015 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2015 | Nov 16, 2015 | 000-15204 |