Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
---|---|---|---|---|---|---|
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2021 | May 20, 2021 | 001-10879 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 23, 2020 | Oct 23, 2020 | 001-10879 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 8, 2020 | Sep 3, 2020 | 001-10879 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2020 | May 21, 2020 | 001-10879 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2020 | May 21, 2020 | 001-10879 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2019 | May 23, 2019 | 001-10879 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2018 | May 18, 2018 | 001-10879 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2017 | May 19, 2017 | 001-10879 |
3/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2017 | Feb 1, 2017 | 001-10879 |
3 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2017 | Feb 1, 2017 | 001-10879 |