| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jun 2025 | 04 Jun 2025 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2024 | 31 May 2024 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2023 | 01 Jun 2023 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2022 | 01 Jun 2022 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Oct 2021 | 15 Oct 2021 | 000-50400 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Oct 2021 | 15 Oct 2021 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Oct 2021 | 12 Oct 2021 | 000-50400 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2021 | 26 Jan 2021 | 000-50400 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Dec 2019 | 27 Dec 2019 | 000-50400 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2018 | 30 Aug 2018 | 000-50400 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Sep 2017 | 06 Sep 2017 | 000-50400 |