| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 22, 2025 | Oct 22, 2025 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 23, 2024 | Oct 23, 2024 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 25, 2022 | Oct 20, 2022 | 000-20402 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 26, 2021 | Oct 25, 2021 | 000-20402 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 26, 2021 | Oct 25, 2021 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 26, 2021 | Oct 25, 2021 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 26, 2021 | Oct 25, 2021 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 26, 2019 | Feb 2, 2019 | 000-20402 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2019 | Dec 31, 2018 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2018 | Jul 12, 2018 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 16, 2017 | Aug 16, 2017 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2017 | May 26, 2017 | 000-20402 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 28, 2016 | Sep 26, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 28, 2016 | Sep 26, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 21, 2016 | Jul 20, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 30, 2015 | Mar 30, 2015 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 29, 2014 | Apr 29, 2014 | 000-20402 |