| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2022 | Apr 1, 2022 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2021 | Dec 8, 2021 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2021 | Dec 1, 2021 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 26, 2021 | Nov 23, 2021 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2020 | Dec 7, 2020 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 27, 2020 | Nov 24, 2020 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2019 | Dec 5, 2019 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 29, 2019 | Nov 26, 2019 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 30, 2018 | Nov 28, 2018 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 28, 2018 | Nov 27, 2018 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 6, 2017 | Dec 5, 2017 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2017 | Nov 29, 2017 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 28, 2017 | Nov 24, 2017 | 001-02256 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 10, 2017 | Aug 1, 2017 | 001-02256 |