| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2025 | Jun 12, 2025 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2025 | May 21, 2025 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2024 | May 24, 2024 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2024 | May 21, 2024 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2023 | May 24, 2023 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2022 | May 26, 2022 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 25, 2022 | May 23, 2022 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2021 | May 26, 2021 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 23, 2020 | Jun 22, 2020 | 001-13455 |
| 3 | Open Document | Open Filing | FORM 3 | Dec 23, 2019 | Dec 13, 2019 | 001-36504 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2018 | May 4, 2018 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2017 | May 4, 2017 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2017 | Feb 23, 2017 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2016 | May 2, 2016 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2015 | May 4, 2015 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2015 | Mar 6, 2015 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2014 | May 20, 2014 | 001-13455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2014 | Jan 14, 2014 | 001-13455 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2014 | Jan 14, 2014 | 001-13455 |