| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Nov 19, 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2021 | Oct 31, 2021 | 001-36137 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Jun 17, 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 28, 2021 | May 28, 2021 | 001-36137 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | May 28, 2021 | ||
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | May 28, 2021 | May 28, 2021 | 001-36137 |