| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2024 | May 10, 2024 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2024 | May 8, 2024 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2023 | May 12, 2023 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2023 | May 8, 2023 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2022 | May 12, 2022 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2022 | May 6, 2022 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2021 | May 6, 2021 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2020 | May 7, 2020 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2019 | May 8, 2019 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2019 | May 3, 2019 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2018 | May 2, 2018 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2017 | May 3, 2017 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2016 | May 4, 2016 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2015 | May 6, 2015 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2014 | May 6, 2014 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2014 | May 1, 2014 | 001-03560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 9, 2014 | Apr 8, 2014 | 001-03560 |