| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 10, 2021 | Aug 6, 2021 | 001-14431 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2021 | Feb 1, 2021 | 001-14431 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 31, 2020 | Jul 27, 2020 | 001-14431 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 31, 2020 | Jul 27, 2020 | 001-14431 |