| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 20, 2022 | Jan 18, 2021 | 001-39907 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 13, 2022 | Jan 11, 2021 | 001-39907 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 10, 2021 | Mar 8, 2021 | 001-39907 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 19, 2021 | Jan 19, 2021 | 001-39907 |