Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
---|---|---|---|---|---|---|
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2023 | May 5, 2023 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2022 | Dec 7, 2022 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2022 | Apr 29, 2022 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2021 | Apr 30, 2021 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 5, 2020 | Aug 3, 2020 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2020 | May 8, 2020 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2020 | May 1, 2020 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2019 | May 3, 2019 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2018 | Apr 27, 2018 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 9, 2017 | Apr 27, 2017 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 15, 2017 | Mar 13, 2017 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2017 | Feb 1, 2017 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2016 | Apr 29, 2016 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 20, 2015 | May 1, 2015 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2014 | Nov 10, 2014 | 000-04197 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2014 | May 2, 2014 | 000-04197 |