| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Sep 15, 2022 | Sep 15, 2022 | 001-35740 | |
| 4 | Open Document | Open Filing | May 20, 2022 | May 18, 2022 | 001-35740 | |
| 4 | Open Document | Open Filing | May 7, 2021 | May 6, 2021 | 001-35740 | |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2019 | May 8, 2019 | 001-35740 |
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2019 | May 6, 2019 | 001-35740 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2018 | May 15, 2018 | 001-35740 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 4, 2018 | Mar 31, 2018 | 000-53361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 8, 2018 | Jan 5, 2018 | 000-53361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 6, 2017 | Oct 4, 2017 | 000-53361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 5, 2017 | Jul 5, 2017 | 000-53361 |
| 4 | Open Document | Open Filing | FORM 4 | May 25, 2017 | May 24, 2017 | 001-35740 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2017 | Apr 21, 2017 | 000-53361 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2016 | May 9, 2016 | 001-35740 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2016 | May 2, 2016 | 001-35740 |
| 3 | Open Document | Open Filing | FORM 3 | May 4, 2016 | Mar 23, 2016 | 001-35740 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2015 | Jul 31, 2015 | 001-06991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2015 | Mar 2, 2015 | 001-06991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2015 | Jan 30, 2015 | 001-06991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2015 | Jan 26, 2015 | 001-06991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 21, 2015 | Jan 19, 2015 | 001-06991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2014 | Nov 19, 2014 | 001-06991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2014 | Mar 4, 2014 | 001-06991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2014 | Jan 30, 2014 | 001-06991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2014 | Jan 24, 2014 | 001-06991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 27, 2014 | Jan 23, 2014 | 001-06991 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2014 | Jan 18, 2014 | 001-06991 |