| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Nov 7, 2025 | Nov 3, 2025 | 001-36680 |
| 3 | Open Document | Open Filing | 3 | Nov 7, 2025 | Nov 3, 2025 | 001-36680 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2022 | Dec 8, 2022 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2022 | Mar 16, 2022 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2021 | Mar 17, 2021 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 20, 2020 | Aug 18, 2020 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 20, 2020 | Mar 18, 2020 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 22, 2019 | Mar 20, 2019 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2017 | Nov 15, 2017 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 23, 2016 | Nov 21, 2016 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2015 | Nov 16, 2015 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2014 | Nov 17, 2014 | 000-20322 |