| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2025 | May 5, 2025 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 25, 2025 | Apr 23, 2025 | 001-32598 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2024 | May 8, 2024 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2024 | May 6, 2024 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 25, 2024 | Apr 24, 2024 | 001-32598 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2024 | Mar 8, 2024 | 001-32598 |
| 144 | Open Document | Open Filing | Mar 8, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2023 | May 8, 2023 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2023 | Apr 26, 2023 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2023 | May 9, 2022 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2022 | May 10, 2022 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 29, 2022 | Apr 27, 2022 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 3, 2021 | Nov 1, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 24, 2021 | Sep 22, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 6, 2021 | Aug 4, 2021 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2021 | May 10, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2021 | May 5, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2021 | Apr 29, 2021 | 001-32598 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 13, 2021 | Apr 9, 2021 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2020 | May 5, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | May 1, 2020 | Apr 29, 2020 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 22, 2019 | Aug 21, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2019 | May 6, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2019 | May 1, 2019 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2018 | May 9, 2018 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2018 | May 7, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 20, 2018 | Mar 14, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 20, 2018 | Mar 14, 2018 | 000-18032 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 20, 2018 | Mar 14, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2017 | May 24, 2017 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2017 | May 16, 2017 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 23, 2016 | Aug 22, 2016 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2016 | May 17, 2016 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2015 | Apr 30, 2015 | 001-32598 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2015 | Apr 30, 2015 | 001-32598 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2014 | Dec 31, 2013 | 000-19528 |