| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 10, 2025 | Nov 6, 2025 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2025 | May 15, 2025 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2024 | May 13, 2024 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2023 | May 11, 2023 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | May 13, 2022 | May 11, 2022 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 3, 2021 | Nov 1, 2021 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 23, 2021 | Jul 21, 2021 | 000-27756 |
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2021 | May 20, 2021 | 000-27756 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2021 | May 12, 2021 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2020 | May 14, 2020 | 000-27756 |
| 4 | Open Document | Open Filing | 4 | May 14, 2020 | May 12, 2020 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2019 | May 15, 2019 | 000-27756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2019 | May 15, 2019 | 000-30739 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2018 | May 15, 2018 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2018 | May 9, 2018 | 000-27756 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 26, 2017 | Jul 24, 2017 | 001-37720 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2017 | May 17, 2017 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | May 12, 2017 | May 10, 2017 | 000-27756 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 3, 2017 | Jan 1, 2017 | 001-37720 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2016 | May 19, 2015 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2016 | May 11, 2016 | 000-27756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2015 | May 29, 2015 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2015 | May 6, 2015 | 000-27756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 9, 2015 | Jan 8, 2015 | 000-30739 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2014 | Dec 15, 2014 | 000-27756 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 24, 2014 | Jul 22, 2014 | 000-27756 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 24, 2014 | Jul 16, 2014 | 000-27756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2014 | May 29, 2014 | 000-30739 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2014 | May 29, 2014 | 000-30739 |