| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jun 2021 | 03 Jun 2021 | 001-09810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2021 | 11 May 2021 | 001-09810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2021 | 01 Mar 2021 | 001-09810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2020 | 03 Jun 2020 | 001-09810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2020 | 11 May 2020 | 001-09810 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2019 | 01 Nov 2019 | 001-09810 |