| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 13, 2021 | Dec 9, 2021 | 001-39634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 1, 2021 | Jan 28, 2021 | 001-39634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 29, 2020 | Oct 27, 2020 | 001-39634 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 22, 2020 | Oct 22, 2020 | 001-39634 |