| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Dec 2021 | 22 Dec 2021 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2021 | 23 Aug 2021 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2021 | 07 Jan 2021 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2020 | 16 Dec 2020 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2020 | 16 Nov 2020 | 001-04224 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2020 | 16 Nov 2020 | 001-04224 |