| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 07 Jul 2021 | 06 Jul 2021 | 000-54866 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Aug 2018 | 22 Aug 2018 | 000-54866 |
| 3 | Open Document | Open Filing | FORM 3 | 29 Jun 2018 | 29 Jun 2018 | 000-54866 |