| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Dec 19, 2024 | Dec 17, 2024 | 000-25248 | |
| 4 | Open Document | Open Filing | Dec 14, 2023 | Dec 12, 2023 | 000-25248 | |
| 4 | Open Document | Open Filing | Dec 13, 2022 | Dec 9, 2022 | 000-25248 | |
| 4 | Open Document | Open Filing | Nov 24, 2021 | Nov 22, 2021 | 000-25248 | |
| 4 | Open Document | Open Filing | Dec 16, 2020 | Dec 15, 2020 | 000-25248 | |
| 4 | Open Document | Open Filing | FORM 4 | Dec 6, 2019 | Dec 4, 2019 | 000-25248 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 28, 2018 | Nov 14, 2018 | 000-25248 |