| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2025 | 19 May 2025 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Nov 2024 | 01 Nov 2024 | 000-21238 |
| 144 | Open Document | Open Filing | 01 Nov 2024 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2024 | 08 May 2024 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2023 | 11 May 2023 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2022 | 12 May 2022 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2021 | 07 Jun 2021 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2021 | 13 May 2021 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2020 | 20 May 2020 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2019 | 22 May 2019 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2018 | 23 May 2018 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2017 | 24 May 2017 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2016 | 18 May 2016 | 000-21238 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2014 | 23 May 2014 | 000-21238 |