| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2024 | Feb 20, 2024 | 001-08036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 15, 2023 | Aug 11, 2023 | 001-08036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2023 | Feb 21, 2023 | 001-08036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2022 | Mar 14, 2022 | 001-08036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2022 | Feb 22, 2022 | 001-08036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2022 | Feb 22, 2022 | 001-08036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 14, 2021 | Sep 10, 2021 | 001-08036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2021 | Feb 23, 2021 | 001-08036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2021 | Feb 22, 2021 | 001-08036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2020 | Feb 18, 2020 | 001-08036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2019 | Feb 19, 2019 | 001-08036 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 1, 2018 | Aug 1, 2018 | 001-08036 |