| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 24 May 2022 | 21 May 2022 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2022 | 01 Feb 2022 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2022 | 05 Jan 2022 | 001-16537 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Sep 2021 | 17 Sep 2021 | 001-16537 |