| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D AMENDMENT | Aug 27, 2021 | ||
| 4 | Open Document | Open Filing | Aug 27, 2021 | Aug 26, 2021 | 333-184061 | |
| 4 | Open Document | Open Filing | Aug 18, 2020 | Jul 22, 2020 | 333-184061 | |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | Aug 15, 2017 | ||
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 15, 2017 | Aug 15, 2017 | 333-184061 |