| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 21, 2025 | Nov 20, 2025 | 000-25734 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 21, 2024 | Nov 21, 2024 | 000-25734 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2024 | May 10, 2024 | 000-25734 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 17, 2023 | Nov 16, 2023 | 000-25734 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 22, 2022 | Dec 22, 2022 | 000-25734 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Aug 23, 2022 | Aug 23, 2022 | 000-25734 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Aug 19, 2021 | Aug 19, 2021 | 001-13684 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2020 | Oct 12, 2020 | 001-13684 |
| 4 | Open Document | Open Filing | Dec 13, 2017 | Dec 11, 2017 | 001-06357 | |
| 4 | Open Document | Open Filing | Nov 8, 2017 | Nov 7, 2017 | 001-06357 | |
| 4 | Open Document | Open Filing | May 24, 2017 | May 22, 2017 | 001-06357 | |
| 4 | Open Document | Open Filing | Mar 16, 2017 | Mar 15, 2017 | 001-06357 | |
| 4 | Open Document | Open Filing | Dec 19, 2016 | Dec 15, 2016 | 001-06357 | |
| 4 | Open Document | Open Filing | Dec 7, 2016 | Dec 5, 2016 | 001-06357 | |
| 4 | Open Document | Open Filing | Nov 10, 2016 | Nov 8, 2016 | 001-06357 | |
| 4 | Open Document | Open Filing | Jun 2, 2016 | May 31, 2016 | 001-06357 | |
| 4 | Open Document | Open Filing | Dec 17, 2015 | Dec 6, 2015 | 001-06357 | |
| 4 | Open Document | Open Filing | Nov 20, 2015 | Nov 18, 2015 | 001-06357 | |
| 4 | Open Document | Open Filing | Mar 17, 2015 | Mar 16, 2015 | 001-06357 | |
| 4 | Open Document | Open Filing | Dec 17, 2014 | Dec 15, 2014 | 001-06357 | |
| 4/A | Open Document | Open Filing | Dec 15, 2014 | Dec 11, 2014 | 001-06357 | |
| 4 | Open Document | Open Filing | Dec 12, 2014 | Dec 11, 2014 | 001-06357 | |
| 4 | Open Document | Open Filing | Mar 13, 2014 | Mar 11, 2014 | 001-06357 | |
| 4 | Open Document | Open Filing | Jan 10, 2014 | Jan 9, 2014 | 001-06357 |