| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 10, 2022 | Feb 8, 2022 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2022 | Jan 1, 2022 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2021 | Feb 9, 2021 | 001-37827 |
| 5 | Open Document | Open Filing | FORM 5 | Jan 20, 2021 | Dec 31, 2020 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 1, 2021 | 001-37827 |
| 5 | Open Document | Open Filing | FORM 5 | Jan 5, 2021 | Dec 31, 2020 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 24, 2020 | Nov 23, 2020 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2020 | Nov 9, 2020 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2020 | Feb 11, 2020 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 26, 2019 | Dec 23, 2019 | 001-37827 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 12, 2019 | Sep 6, 2019 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 10, 2019 | Sep 6, 2019 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2019 | Feb 11, 2019 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2018 | Feb 1, 2018 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 26, 2017 | Apr 24, 2017 | 001-37827 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2017 | Jul 12, 2016 | 001-32638 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2017 | Sep 7, 2016 | 001-37827 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2017 | Jul 12, 2016 | 001-37827 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2017 | Jul 12, 2016 | 001-32638 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 8, 2016 | Sep 7, 2016 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2016 | Jul 12, 2016 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2016 | Jul 12, 2016 | 001-32638 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 12, 2016 | Jul 12, 2016 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 27, 2016 | Jan 25, 2016 | 001-32638 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2015 | Jan 15, 2015 | 001-32638 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 20, 2015 | Jan 15, 2015 | 001-32638 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2014 | Jan 29, 2014 | 001-32638 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2014 | Jan 29, 2014 | 001-32638 |