| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 20 Jul 2022 | 15 Jul 2022 | 000-55831 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Nov 2021 | 11 Nov 2021 | 000-55831 |
| 3 | Open Document | Open Filing | FORM 3 | 01 Oct 2021 | 21 Sep 2021 | 000-55831 |