| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 09 Feb 2022 | 08 Feb 2022 | 000-22490 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2021 | 02 Feb 2021 | 000-22490 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Sep 2020 | 31 Aug 2020 | 000-22490 |
| 3 | Open Document | Open Filing | FORM 3 | 02 Sep 2020 | 31 Aug 2020 | 000-22490 |