| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2021 | 10 May 2021 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2021 | 01 Feb 2021 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2020 | 11 May 2020 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2020 | 04 May 2020 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2020 | 31 Jan 2020 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2019 | 10 May 2019 | 001-12696 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2019 | 15 Mar 2019 | 001-12696 |