Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
---|---|---|---|---|---|---|
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2022 | Mar 1, 2022 | 000-19289 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2021 | May 14, 2021 | 000-19289 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2020 | May 8, 2020 | 000-19289 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2019 | May 10, 2019 | 000-19289 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2018 | May 11, 2018 | 000-19289 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2017 | May 5, 2017 | 000-19289 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2016 | May 6, 2016 | 000-19289 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2015 | May 8, 2015 | 000-19289 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2014 | May 2, 2014 | 000-19289 |