| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Dec 2, 2025 | Dec 1, 2025 | 000-23702 | |
| 4 | Open Document | Open Filing | Mar 18, 2025 | Mar 14, 2025 | 000-23702 | |
| 4 | Open Document | Open Filing | Mar 3, 2025 | Feb 28, 2025 | 000-23702 | |
| 4 | Open Document | Open Filing | Feb 3, 2025 | Feb 1, 2025 | 000-23702 | |
| 4 | Open Document | Open Filing | Dec 2, 2024 | Nov 29, 2024 | 000-23702 | |
| 4 | Open Document | Open Filing | Mar 18, 2024 | Mar 15, 2024 | 000-23702 | |
| 144 | Open Document | Open Filing | Mar 15, 2024 | |||
| 4 | Open Document | Open Filing | Mar 4, 2024 | Mar 1, 2024 | 000-23702 | |
| 4 | Open Document | Open Filing | Feb 2, 2024 | Feb 1, 2024 | 000-23702 | |
| 4 | Open Document | Open Filing | Dec 4, 2023 | Dec 1, 2023 | 000-23702 | |
| 4 | Open Document | Open Filing | FORM 4 | Jun 26, 2023 | Jun 22, 2023 | 001-07572 |
| 4 | Open Document | Open Filing | Mar 16, 2023 | Mar 15, 2023 | 000-23702 | |
| 4 | Open Document | Open Filing | Mar 6, 2023 | Mar 5, 2023 | 000-23702 | |
| 4 | Open Document | Open Filing | Mar 2, 2023 | Mar 1, 2023 | 000-23702 | |
| 4 | Open Document | Open Filing | Feb 2, 2023 | Feb 1, 2023 | 000-23702 | |
| 4 | Open Document | Open Filing | Dec 2, 2022 | Dec 1, 2022 | 000-23702 | |
| 4 | Open Document | Open Filing | FORM 4 | Jun 21, 2022 | Jun 16, 2022 | 001-07572 |
| 4 | Open Document | Open Filing | Mar 17, 2022 | Mar 15, 2022 | 000-23702 | |
| 4 | Open Document | Open Filing | Mar 7, 2022 | Mar 5, 2022 | 000-23702 | |
| 4 | Open Document | Open Filing | Mar 3, 2022 | Mar 1, 2022 | 000-23702 | |
| 4 | Open Document | Open Filing | Feb 2, 2022 | Feb 1, 2022 | 000-23702 | |
| 4 | Open Document | Open Filing | Jan 4, 2022 | Dec 31, 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | Dec 28, 2021 | Nov 15, 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | Dec 3, 2021 | Dec 1, 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 21, 2021 | Jun 17, 2021 | 001-07572 |
| 4 | Open Document | Open Filing | Mar 19, 2021 | Mar 17, 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | Mar 16, 2021 | Mar 15, 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | Mar 8, 2021 | Mar 5, 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | Mar 2, 2021 | Mar 1, 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | Feb 2, 2021 | Feb 1, 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | Dec 2, 2020 | Dec 1, 2020 | 000-23702 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 14, 2020 | Sep 10, 2020 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2020 | Jun 18, 2020 | 001-07572 |
| 4 | Open Document | Open Filing | Mar 18, 2020 | Mar 16, 2020 | 000-23702 | |
| 4 | Open Document | Open Filing | Mar 9, 2020 | Mar 5, 2020 | 000-23702 | |
| 4 | Open Document | Open Filing | Mar 4, 2020 | Mar 2, 2020 | 000-23702 | |
| 4 | Open Document | Open Filing | Feb 3, 2020 | Feb 3, 2020 | 000-23702 | |
| 4 | Open Document | Open Filing | Dec 5, 2019 | Dec 3, 2019 | 000-23702 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 24, 2019 | Jun 20, 2019 | 001-07572 |
| 4 | Open Document | Open Filing | Mar 19, 2019 | Mar 15, 2019 | 000-23702 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2019 | Mar 7, 2019 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 5, 2019 | Feb 1, 2019 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2019 | Dec 3, 2018 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 6, 2018 | Dec 3, 2018 | 000-23702 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2018 | Jun 21, 2018 | 001-07572 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2018 | Mar 15, 2018 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2018 | Mar 6, 2018 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 5, 2017 | Dec 4, 2017 | 000-23702 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 19, 2017 | Jun 15, 2017 | 001-07572 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2017 | Mar 15, 2017 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2017 | Mar 6, 2017 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 2, 2016 | Dec 1, 2016 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 15, 2016 | Aug 12, 2016 | 000-23702 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 20, 2016 | Jun 16, 2016 | 001-07572 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2016 | Mar 17, 2016 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 16, 2016 | Mar 14, 2016 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2016 | Mar 7, 2016 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 5, 2016 | Feb 5, 2016 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2016 | Dec 31, 2015 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 2, 2015 | Dec 1, 2015 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2015 | Aug 14, 2015 | 000-23702 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2015 | Jun 18, 2015 | 001-07572 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2015 | Mar 16, 2015 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2015 | Mar 11, 2015 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2015 | Mar 5, 2015 | 000-23702 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 10, 2014 | Dec 4, 2014 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 5, 2014 | Dec 1, 2014 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2014 | Nov 10, 2014 | 000-23702 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 23, 2014 | Jun 19, 2014 | 001-07572 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 26, 2014 | Mar 24, 2014 | 001-07572 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 20, 2014 | Mar 18, 2014 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2014 | Mar 17, 2014 | 000-23702 |