| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A | 10 Jan 2022 | 31 Dec 2021 | 001-13471 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2022 | 31 Dec 2021 | 001-13471 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2021 | 13 Jun 2021 | 001-13471 |
| 3 | Open Document | Open Filing | FORM 3 | 19 Jan 2021 | 09 Jan 2021 | 001-13471 |