Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
---|---|---|---|---|---|---|
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2023 | May 15, 2023 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2022 | May 11, 2022 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2021 | May 7, 2021 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2020 | May 11, 2020 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2019 | May 22, 2019 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2018 | May 14, 2018 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2017 | Dec 6, 2017 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2017 | May 12, 2017 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 29, 2016 | Nov 28, 2016 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2016 | May 12, 2016 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2016 | Feb 12, 2016 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2015 | May 6, 2015 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 7, 2014 | Nov 6, 2014 | 001-15943 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2014 | May 7, 2014 | 001-15943 |