| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2025 | May 15, 2025 | 001-12681 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2023 | Nov 29, 2023 | 001-12681 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 20, 2020 | Aug 19, 2020 | 001-12681 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2019 | Dec 13, 2019 | 001-12681 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2018 | May 31, 2018 | 001-12681 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 30, 2018 | May 25, 2018 | 001-12681 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2018 | May 21, 2018 | 001-12681 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2017 | May 26, 2017 | 001-12681 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2017 | Dec 30, 2016 | 001-12681 |