| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 20, 2023 | Nov 18, 2023 | 001-15093 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2023 | Feb 21, 2023 | 001-15093 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2022 | Nov 18, 2022 | 001-15093 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2022 | Jan 6, 2022 | 001-15093 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 22, 2021 | Nov 18, 2021 | 001-15093 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2021 | Jan 6, 2021 | 001-15093 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2020 | Apr 1, 2020 | 001-15093 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 8, 2020 | Jan 6, 2020 | 001-15093 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 10, 2019 | Jan 6, 2019 | 001-15093 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 10, 2018 | Jan 8, 2018 | 001-15093 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 27, 2017 | Nov 22, 2017 | 001-15093 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 10, 2017 | Jan 6, 2017 | 001-15093 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2016 | Nov 11, 2016 | 001-15093 |