| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2025 | Feb 28, 2025 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2024 | Feb 28, 2024 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2023 | Feb 28, 2023 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | May 13, 2022 | May 13, 2022 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2022 | Mar 10, 2022 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2022 | Feb 28, 2022 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 30, 2021 | Nov 29, 2021 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2021 | Aug 3, 2021 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2021 | Feb 26, 2021 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 4, 2020 | Nov 4, 2020 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2020 | Mar 10, 2020 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2020 | Feb 28, 2020 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2020 | Feb 27, 2020 | 001-11713 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2019 | Feb 28, 2019 | 001-11713 |
| 3 | Open Document | Open Filing | FORM 3 | Jan 9, 2019 | Jan 1, 2019 | 001-11713 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2018 | Jan 31, 2018 | 000-20957 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 20, 2017 | Dec 19, 2017 | 000-20957 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 13, 2017 | Nov 10, 2017 | 000-20957 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2017 | Feb 28, 2017 | 000-20957 |
| 4 | Open Document | Data | Open Filing | PRIMARY DOCUMENT | Apr 4, 2016 | Apr 1, 2016 | 000-20957 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2016 | Mar 1, 2016 | 000-20957 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2015 | May 26, 2015 | 000-20957 |
| 3 | Open Document | Open Filing | FORM 3 | Nov 19, 2014 | Nov 10, 2014 | 000-20957 |