| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2025 | Mar 11, 2025 | 000-03922 |
| 144 | Open Document | Open Filing | Mar 11, 2025 | |||
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2025 | Feb 25, 2025 | 000-03922 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 30, 2025 | Jan 28, 2025 | 000-03922 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 29, 2025 | Jan 27, 2025 | 000-03922 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 26, 2024 | Jan 24, 2024 | 000-03922 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 27, 2023 | Jan 25, 2023 | 000-03922 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 24, 2022 | May 12, 2022 | 000-03922 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 17, 2018 | Jul 13, 2018 | 001-04219 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 17, 2018 | Jul 13, 2018 | 001-04219 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 17, 2018 | Jul 13, 2018 | 001-34757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 20, 2017 | Dec 1, 2017 | 001-34757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 5, 2016 | Dec 1, 2016 | 001-34757 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 5, 2016 | Nov 25, 2016 | 001-34757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 29, 2016 | Nov 25, 2016 | 001-34757 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2016 | Aug 2, 2016 | 001-34757 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2015 | Dec 17, 2015 | 001-34757 |