| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 14, 2022 | Feb 11, 2022 | 001-41281 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 17, 2021 | Sep 15, 2021 | 001-39441 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 1, 2021 | Jun 29, 2021 | 001-39441 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | Mar 1, 2021 | ||
| 5/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 22, 2021 | Dec 31, 2020 | 001-39441 |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 16, 2021 | Dec 31, 2020 | 001-39441 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 9, 2020 | Oct 7, 2020 | 001-39441 |
| SC 13D | Open Document | Open Filing | SC 13D | Sep 16, 2020 | ||
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 13, 2020 | Aug 13, 2020 | 001-39441 |