| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Dec 2, 2025 | Dec 1, 2025 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 3, 2025 | Sep 1, 2025 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 17, 2025 | Jun 13, 2025 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2025 | Jun 1, 2025 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2025 | Mar 5, 2025 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2025 | Mar 1, 2025 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2024 | Dec 1, 2024 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 3, 2024 | Sep 1, 2024 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 18, 2024 | Jun 14, 2024 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2024 | Jun 1, 2024 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2024 | Mar 1, 2024 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 4, 2023 | Dec 1, 2023 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 5, 2023 | Sep 1, 2023 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 20, 2023 | Jun 16, 2023 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2023 | Jun 1, 2023 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2023 | Mar 1, 2023 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 5, 2022 | Dec 1, 2022 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 2, 2022 | Sep 1, 2022 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2022 | Jun 17, 2022 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2022 | Jun 1, 2022 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2022 | Mar 1, 2022 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 2, 2021 | Dec 1, 2021 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 2, 2021 | Sep 1, 2021 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2021 | Jun 18, 2021 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 26, 2020 | Jun 24, 2020 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2020 | Jun 1, 2020 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2020 | Mar 1, 2020 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2019 | Dec 1, 2019 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 3, 2019 | Sep 1, 2019 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 28, 2019 | Jun 27, 2019 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2019 | Jun 1, 2019 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2019 | Mar 1, 2019 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2018 | Dec 1, 2018 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 12, 2018 | Sep 1, 2018 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 29, 2018 | Jun 28, 2018 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2018 | Jun 1, 2018 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2018 | Mar 1, 2018 | 000-26489 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2018 | Jan 26, 2018 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2017 | Dec 12, 2017 | 001-07657 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 4, 2017 | Dec 1, 2017 | 000-26489 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 30, 2017 | Nov 28, 2017 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 1, 2017 | Oct 31, 2017 | 001-07657 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 5, 2017 | Sep 1, 2017 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 26, 2017 | Jun 22, 2017 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2017 | Jun 1, 2017 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2017 | Mar 1, 2017 | 000-26489 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2017 | Feb 27, 2017 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2017 | Jan 28, 2017 | 001-07657 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 5, 2016 | Dec 1, 2016 | 000-26489 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 15, 2016 | Nov 14, 2016 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 24, 2016 | Oct 21, 2016 | 001-07657 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 6, 2016 | Sep 1, 2016 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 10, 2016 | Jun 8, 2016 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2016 | Feb 29, 2016 | 000-26489 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2016 | Jan 29, 2016 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 24, 2015 | Nov 20, 2015 | 001-07657 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 6, 2015 | Oct 5, 2015 | 000-26489 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 6, 2015 | Sep 28, 2015 | 000-26489 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2015 | Mar 12, 2015 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2015 | Jan 26, 2015 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2014 | Jan 27, 2014 | 001-07657 |