| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Nov 30, 2021 | Nov 24, 2021 | 000-49908 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 29, 2021 | Nov 24, 2021 | 000-49908 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 20, 2021 | Oct 18, 2021 | 000-49908 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 12, 2021 | Jul 1, 2021 | 000-49908 |