| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2021 | Jun 1, 2021 | 001-39748 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2021 | Feb 18, 2021 | 001-39748 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 6, 2021 | Jan 6, 2021 | 001-39843 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 11, 2020 | Dec 11, 2020 | 001-39748 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Dec 9, 2020 | Dec 8, 2020 | 001-39748 |