| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2022 | 09 May 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 | 22 Feb 2021 | 19 Feb 2021 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2021 | 17 Feb 2021 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2021 | 12 Feb 2021 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2020 | 08 May 2020 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2020 | 21 Feb 2020 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2020 | 20 Feb 2020 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2020 | 19 Feb 2020 | 001-04482 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2020 | 19 Feb 2020 | 001-04482 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2020 | 01 Jan 2020 | 001-04482 |