| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Sep 15, 2022 | Sep 13, 2022 | 000-18492 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 8, 2022 | Aug 4, 2022 | 000-18492 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 14, 2020 | Jul 13, 2020 | 000-18492 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 14, 2020 | Jul 13, 2020 | 000-18492 |