| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 7, 2025 | May 6, 2025 | 000-54863 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 5, 2025 | May 2, 2025 | 000-54863 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 7, 2024 | May 3, 2024 | 000-54863 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 8, 2023 | May 5, 2023 | 000-54863 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 28, 2022 | Apr 27, 2022 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 10, 2021 | Sep 9, 2021 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2021 | Feb 23, 2021 | 000-54863 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2020 | Feb 25, 2020 | 000-54863 |
| 3 | Open Document | Open Filing | FORM 3 | Aug 2, 2019 | Jul 26, 2019 | 000-54863 |