Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
---|---|---|---|---|---|---|
4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2023 | Nov 15, 2023 | 000-52520 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 20, 2023 | Nov 15, 2023 | 000-52520 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 3, 2021 | Aug 30, 2021 | 000-52520 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 3, 2021 | Aug 30, 2021 | 000-52520 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2020 | Feb 24, 2020 | 000-52520 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 26, 2019 | May 20, 2016 | 000-52520 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 23, 2016 | May 18, 2016 | 000-52520 |