| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2022 | Jan 12, 2022 | 001-09279 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2021 | Jan 6, 2021 | 001-09279 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2020 | Oct 29, 2020 | 001-09279 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2020 | Jul 31, 2020 | 001-09279 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2020 | Jan 17, 2020 | 001-09279 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2019 | Jan 10, 2019 | 001-09279 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2018 | Jan 18, 2018 | 001-09279 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 12, 2017 | Jan 9, 2017 | 001-09279 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2016 | Jan 5, 2016 | 001-09279 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 20, 2015 | Jan 15, 2015 | 001-09279 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 9, 2014 | Jan 6, 2014 | 001-09279 |