| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Dec 9, 2024 | Dec 5, 2024 | 001-11588 | |
| 4 | Open Document | Open Filing | Dec 11, 2023 | Dec 7, 2023 | 001-11588 | |
| 4 | Open Document | Open Filing | Dec 19, 2022 | Dec 15, 2022 | 001-11588 | |
| 4 | Open Document | Open Filing | Dec 14, 2021 | Dec 10, 2021 | 001-11588 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 13, 2019 | Dec 11, 2019 | 001-11588 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 30, 2018 | Nov 28, 2018 | 001-11588 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2017 | Dec 6, 2017 | 001-11588 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 30, 2016 | Nov 28, 2016 | 001-11588 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2015 | Nov 13, 2015 | 001-11588 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2015 | Nov 13, 2015 | 001-11588 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2014 | Dec 4, 2014 | 001-11588 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 15, 2014 | Aug 14, 2014 | 001-11588 |