| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2022 | 10 May 2022 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2022 | 09 May 2022 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2022 | 22 Feb 2022 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2022 | 18 Feb 2022 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2022 | 17 Feb 2022 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2022 | 16 Feb 2022 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2021 | 07 May 2021 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2021 | 24 Feb 2021 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2021 | 19 Feb 2021 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2021 | 17 Feb 2021 | 001-04482 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Dec 2020 | 15 Dec 2020 | 001-04482 |