| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 17, 2021 | Sep 16, 2021 | 001-25225 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 30, 2020 | Sep 23, 2020 | 001-25225 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2020 | May 1, 2020 | 001-25225 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 27, 2019 | Sep 25, 2019 | 001-25225 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 5, 2019 | Aug 2, 2019 | 001-25225 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2019 | Feb 28, 2019 | 001-25225 |