| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 12, 2022 | Apr 8, 2022 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 12, 2022 | Apr 8, 2022 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 22, 2021 | Apr 20, 2021 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 22, 2021 | Apr 20, 2021 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2020 | Oct 14, 2020 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2020 | Oct 14, 2020 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 13, 2020 | Apr 9, 2020 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 13, 2020 | Apr 9, 2020 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 18, 2019 | Apr 17, 2019 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 18, 2019 | Apr 17, 2019 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 13, 2018 | Apr 11, 2018 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 13, 2018 | Apr 11, 2018 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 24, 2018 | Jan 22, 2018 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 24, 2018 | Jan 22, 2018 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2017 | Apr 13, 2017 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2017 | Apr 13, 2017 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 10, 2017 | Apr 6, 2017 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 10, 2017 | Apr 6, 2017 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 18, 2016 | Apr 14, 2016 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 18, 2016 | Apr 14, 2016 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2016 | Apr 1, 2016 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2016 | Apr 1, 2016 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 21, 2015 | Jul 17, 2015 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 21, 2015 | Jul 17, 2015 | 001-09610 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 14, 2015 | May 7, 2015 | 001-15136 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 14, 2015 | May 7, 2015 | 001-09610 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 11, 2015 | May 7, 2015 | 001-15136 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 11, 2015 | May 7, 2015 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 16, 2015 | Apr 14, 2015 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 16, 2015 | Apr 14, 2015 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 21, 2014 | Apr 17, 2014 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 21, 2014 | Apr 17, 2014 | 001-09610 |