| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2025 | Dec 1, 2025 | 001-34839 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2024 | Dec 1, 2024 | 001-34839 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 5, 2023 | Dec 1, 2023 | 001-34839 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 5, 2022 | Dec 1, 2022 | 001-34839 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2021 | Dec 1, 2021 | 001-34839 |
| 3 | Open Document | Open Filing | FORM 3 | Nov 22, 2021 | Nov 12, 2021 | 001-34839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 22, 2019 | Apr 18, 2019 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2018 | Dec 13, 2018 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 26, 2017 | Dec 21, 2017 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 11, 2017 | Jan 9, 2017 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2015 | Dec 17, 2015 | 000-13839 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2015 | Jan 5, 2015 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2015 | Jan 5, 2015 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 26, 2014 | Jun 25, 2014 | 000-13839 |