| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2022 | Feb 28, 2022 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2022 | Jan 28, 2022 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2021 | Feb 26, 2021 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2021 | Jan 28, 2021 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2020 | Feb 28, 2020 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2020 | Jan 30, 2020 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 6, 2019 | Aug 5, 2019 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2019 | Feb 28, 2019 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2019 | Jan 31, 2019 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2018 | Feb 2, 2018 | 001-16189 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2018 | Jan 25, 2018 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2018 | Jan 25, 2018 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2017 | May 12, 2017 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2017 | Feb 28, 2017 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2017 | Jan 26, 2017 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 20, 2016 | Dec 16, 2016 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2016 | Feb 29, 2016 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2016 | Jan 29, 2016 | 001-16189 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2015 | Jul 13, 2015 | 001-16189 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2015 | Jul 1, 2015 | 001-16189 |