| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2022 | 30 Jun 2022 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2022 | 04 Feb 2022 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2022 | 01 Feb 2022 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2021 | 01 Mar 2021 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2021 | 02 Feb 2021 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2020 | 04 Feb 2020 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2019 | 05 Feb 2019 | 001-08590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2018 | 01 Mar 2018 | 001-08590 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2018 | 01 Mar 2018 | 001-08590 |