| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 24, 2025 | Apr 22, 2025 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 26, 2024 | Apr 24, 2024 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 3, 2023 | Nov 1, 2023 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 27, 2023 | Apr 25, 2023 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 28, 2022 | Apr 26, 2022 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 22, 2021 | Apr 20, 2021 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 24, 2020 | Apr 22, 2020 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 26, 2019 | Apr 24, 2019 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 27, 2018 | Apr 25, 2018 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 28, 2017 | Apr 26, 2017 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2016 | Aug 2, 2016 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 29, 2016 | Apr 27, 2016 | 001-06523 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 28, 2016 | Apr 27, 2016 | 001-06523 |