Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
---|---|---|---|---|---|---|
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2021 | May 15, 2021 | 001-08841 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2021 | Feb 11, 2021 | 001-08841 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2020 | May 15, 2020 | 001-08841 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2020 | Feb 13, 2020 | 001-08841 |
3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2020 | Jan 2, 2020 | 001-08841 |