| 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 | 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, 2022 | Apr 20, 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 | Apr 29, 2016 | Apr 27, 2016 | 001-06523 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 19, 2015 | Jun 17, 2015 | 001-06523 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 8, 2015 | May 6, 2015 | 001-06523 |
| 4 | Open Document | Open Filing | May 9, 2014 | May 7, 2014 | 001-06523 |