| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2022 | Feb 16, 2022 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2021 | Nov 9, 2021 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2021 | Feb 25, 2021 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2021 | Feb 12, 2021 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 13, 2020 | Aug 11, 2020 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2020 | Feb 21, 2020 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2020 | Feb 7, 2020 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2019 | Nov 19, 2019 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 3, 2019 | Aug 31, 2019 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 9, 2019 | Aug 9, 2019 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2019 | May 21, 2019 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2019 | Mar 1, 2019 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2019 | Feb 25, 2019 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2019 | Feb 8, 2019 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2018 | May 30, 2018 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2018 | Feb 22, 2018 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2018 | Feb 20, 2018 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2017 | Aug 30, 2017 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2017 | Feb 22, 2017 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2017 | Feb 13, 2017 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2016 | Aug 31, 2016 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2016 | May 31, 2016 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2016 | Feb 19, 2016 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2016 | Feb 15, 2016 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2015 | Feb 26, 2015 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2015 | Feb 20, 2015 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2015 | Feb 18, 2015 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2014 | Nov 7, 2014 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2014 | Feb 21, 2014 | 001-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2014 | Feb 13, 2014 | 001-10235 |