| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | Jun 3, 2022 | Sep 17, 2021 | 001-39384 | |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | Sep 28, 2021 | ||
| 4 | Open Document | Open Filing | Sep 23, 2021 | Sep 17, 2021 | 001-39384 | |
| 3 | Open Document | Open Filing | Sep 23, 2021 | Sep 17, 2021 | 001-39384 | |
| D/A | Open Document | Open Filing | May 21, 2018 | 021-298691 | ||
| D | Open Document | Open Filing | Nov 14, 2017 | 021-298691 |