| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 | Oct 20, 2021 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 19, 2021 | Oct 15, 2021 | 001-39497 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 15, 2021 | Sep 14, 2021 | 001-39497 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 31, 2021 | Aug 27, 2021 | 001-39497 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 27, 2021 | May 25, 2021 | 001-39497 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 25, 2021 | May 21, 2021 | 001-39497 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 21, 2021 | May 19, 2021 | 001-39497 |
| SC 13D | Open Document | Open Filing | SC 13D | Sep 29, 2020 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 28, 2020 | Sep 18, 2020 | 001-39497 |