| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2021 | Aug 18, 2021 | 000-54653 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2021 | Mar 4, 2021 | 000-54653 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2021 | Feb 22, 2021 | 000-54653 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 30, 2020 | Oct 26, 2020 | 000-54653 |