| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 17 Jun 2022 | 16 Jun 2022 | 000-55435 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jun 2022 | 10 Jan 2022 | 000-55435 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2022 | 03 Jan 2022 | 000-55435 |
| 3 | Open Document | Open Filing | FORM 3 | 10 May 2021 | 28 Apr 2021 | 000-55435 |