| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Aug 2021 | 25 Jun 2021 | 000-20146 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Sep 2020 | 16 Sep 2020 | 000-20146 |
| 3 | Open Document | Open Filing | FORM 3 | 21 Feb 2020 | 19 Feb 2020 | 000-20146 |