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