| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2021 | Nov 1, 2021 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 29, 2021 | Oct 27, 2021 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 22, 2021 | Jan 20, 2021 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2020 | Dec 23, 2020 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2020 | May 3, 2020 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2020 | Apr 1, 2020 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2020 | Mar 15, 2020 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 19, 2019 | Nov 16, 2019 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 16, 2019 | Sep 15, 2019 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2019 | May 3, 2019 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 9, 2019 | Apr 5, 2019 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2019 | Mar 15, 2019 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 20, 2018 | Nov 16, 2018 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 18, 2018 | Sep 15, 2018 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2018 | May 3, 2018 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2018 | Mar 15, 2018 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 20, 2017 | Nov 16, 2017 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 6, 2017 | Oct 4, 2017 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 18, 2017 | Sep 15, 2017 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 16, 2017 | Mar 15, 2017 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 - | Nov 18, 2016 | Nov 16, 2016 | 001-37907 |
| 3 | Open Document | Open Filing | FORM 3 - | Nov 16, 2016 | Nov 16, 2016 | 001-37907 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 22, 2016 | Mar 18, 2016 | 001-32167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2016 | Mar 3, 2016 | 001-32167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 23, 2015 | Mar 20, 2015 | 001-32167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2015 | Mar 3, 2015 | 001-32167 |
| 3 | Open Document | Open Filing | FORM 3 | Jan 21, 2015 | Jan 15, 2015 | 001-32167 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2014 | Dec 1, 2014 | 001-35512 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 6, 2014 | Oct 3, 2014 | 001-35512 |
| 4 | Open Document | Open Filing | Jun 9, 2014 | Jun 6, 2014 | 001-35512 | |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2014 | Feb 21, 2014 | 001-35512 |