| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 19, 2021 | Sep 1, 2021 | 001-16133 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 25, 2020 | Nov 23, 2020 | 001-16133 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 24, 2020 | Jun 11, 2020 | 001-16133 |