| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Feb 20, 2025 | Feb 18, 2025 | 000-20859 |
| 4 | Open Document | Open Filing | 4 | Jul 10, 2024 | Jul 8, 2024 | 000-20859 |
| 144 | Open Document | Open Filing | Jul 8, 2024 | |||
| 4 | Open Document | Open Filing | 4 | Jun 7, 2024 | Jun 6, 2024 | 000-20859 |
| 4 | Open Document | Open Filing | Feb 16, 2024 | Feb 14, 2024 | 000-20859 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Sep 21, 2023 | Aug 15, 2023 | 000-20859 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 24, 2023 | Feb 22, 2023 | 000-20859 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 10, 2023 | Feb 9, 2023 | 000-20859 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Sep 14, 2022 | Sep 12, 2022 | 000-20859 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 18, 2022 | Feb 16, 2022 | 000-20859 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2021 | Feb 2, 2021 | 000-20859 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2020 | Feb 12, 2020 | 000-20859 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2019 | Jan 30, 2019 | 000-20859 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2018 | Jan 31, 2018 | 000-20859 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2017 | Feb 9, 2017 | 000-20859 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2016 | Feb 11, 2016 | 000-20859 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2015 | Mar 13, 2015 | 000-20859 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2014 | Feb 10, 2014 | 000-20859 |