| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2022 | May 24, 2022 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2021 | May 25, 2021 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2020 | May 26, 2020 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2019 | May 28, 2019 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 11, 2019 | Apr 10, 2019 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 11, 2019 | Jan 10, 2019 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 12, 2018 | Oct 11, 2018 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 11, 2018 | Jul 10, 2018 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2018 | May 22, 2018 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 19, 2018 | Apr 17, 2018 | 001-34762 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 13, 2018 | Apr 20, 2011 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2018 | Apr 20, 2011 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2018 | Jan 16, 2018 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 11, 2017 | Oct 10, 2017 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 11, 2017 | Jul 10, 2017 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 25, 2017 | May 23, 2017 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 7, 2017 | Apr 7, 2017 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2017 | Jan 5, 2017 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 12, 2016 | Oct 11, 2016 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 19, 2016 | Jul 18, 2016 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2016 | May 26, 2016 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2016 | May 24, 2016 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 7, 2016 | Apr 6, 2016 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2016 | Jan 6, 2016 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 7, 2015 | Oct 6, 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 8, 2015 | Jul 7, 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2015 | May 26, 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 14, 2015 | Apr 14, 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2015 | Jan 14, 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 6, 2014 | Oct 3, 2014 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 16, 2014 | Jul 15, 2014 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2014 | May 27, 2014 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 9, 2014 | Apr 9, 2014 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 14, 2014 | Jan 13, 2014 | 001-34762 |