| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2025 | 21 May 2025 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2025 | 01 Apr 2025 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2024 | 01 May 2024 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2024 | 25 Apr 2024 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2024 | 01 Apr 2024 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Aug 2023 | 21 Aug 2023 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2023 | 01 Apr 2023 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jun 2022 | 28 Jun 2022 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2022 | 01 Apr 2022 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2021 | 19 May 2021 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Apr 2021 | 01 Apr 2021 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 May 2020 | 27 May 2020 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2019 | 25 Apr 2019 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Apr 2018 | 26 Apr 2018 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2017 | 12 Dec 2017 | 001-06961 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2017 | 12 Dec 2017 | 001-06961 |
| 4 | Open Document | Open Filing | 10 Jan 2014 | 09 Jan 2014 | 001-33335 |