| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2022 | Feb 14, 2022 | 000-25923 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2021 | Feb 16, 2021 | 000-25923 |
| 3 | Open Document | Open Filing | FORM 3 | Jan 5, 2021 | Jan 1, 2021 | 000-25923 |