| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2023 | 01 May 2023 | 001-34036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2022 | 01 May 2022 | 001-34036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2021 | 01 May 2021 | 001-34036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2020 | 01 May 2020 | 001-34036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2019 | 01 May 2019 | 001-34036 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Apr 2019 | 15 Apr 2019 | 001-34036 |