Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
---|---|---|---|---|---|---|
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2022 | May 18, 2022 | 000-11774 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2022 | Feb 23, 2022 | 000-11774 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2021 | May 19, 2021 | 000-11774 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2021 | Feb 18, 2021 | 000-11774 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2020 | May 20, 2020 | 000-11774 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2020 | Feb 27, 2020 | 000-11774 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2019 | May 15, 2019 | 000-11774 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2019 | Mar 4, 2019 | 000-11774 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2018 | May 16, 2018 | 000-11774 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2017 | May 17, 2017 | 000-11774 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2016 | May 18, 2016 | 000-11774 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2015 | May 20, 2015 | 000-11774 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2014 | May 21, 2014 | 000-11774 |