| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2022 | 08 Jan 2022 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2021 | 07 Dec 2021 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2021 | 08 Jan 2021 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2020 | 08 Dec 2020 | 001-08597 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2020 | 15 Feb 2020 | 001-08597 |