| 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 | Sep 7, 2021 | Sep 2, 2021 | 000-15204 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2021 | Dec 31, 2020 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2018 | Dec 20, 2018 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2017 | Nov 16, 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 14, 2016 | Dec 12, 2016 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2016 | Dec 2, 2016 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2016 | Jun 2, 2016 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2016 | May 19, 2016 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2016 | Mar 17, 2016 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2015 | Dec 17, 2015 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2015 | Jun 2, 2015 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 22, 2014 | Dec 19, 2014 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2014 | Dec 8, 2014 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2014 | Jun 4, 2014 | 000-15204 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2014 | Dec 31, 2013 | 000-15204 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 9, 2014 | Dec 27, 2013 | 000-15204 |