| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 17, 2021 | Jun 15, 2021 | 001-38789 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 25, 2020 | Mar 23, 2020 | 001-38789 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Mar 25, 2020 | Mar 23, 2020 | 001-38789 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 3, 2018 | Apr 3, 2018 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2018 | Feb 26, 2018 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 19, 2017 | Dec 15, 2017 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2017 | Jun 2, 2017 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2017 | May 16, 2017 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 22, 2016 | Dec 20, 2016 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 19, 2016 | Dec 15, 2016 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 15, 2016 | Sep 13, 2016 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 31, 2016 | Aug 30, 2016 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 29, 2016 | Aug 25, 2016 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 17, 2016 | May 20, 2016 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2016 | May 31, 2016 | 001-37494 |
| 4/A | Open Document | Open Filing | FORM 4/A | May 23, 2016 | Dec 15, 2015 | 001-37494 |
| 4/A | Open Document | Open Filing | FORM 4/A | May 23, 2016 | Nov 30, 2015 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | May 13, 2016 | Mar 4, 2016 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2015 | Dec 15, 2015 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 2, 2015 | Nov 30, 2015 | 001-37494 |
| 4 | Open Document | Open Filing | Dec 2, 2015 | Nov 30, 2015 | 001-04850 | |
| 3 | Open Document | Open Filing | Nov 6, 2015 | Nov 6, 2015 | 001-37494 | |
| 4 | Open Document | Open Filing | Jun 10, 2015 | Jun 8, 2015 | 001-04850 | |
| 4 | Open Document | Open Filing | May 27, 2015 | May 22, 2015 | 001-04850 | |
| 4 | Open Document | Open Filing | Dec 18, 2014 | Dec 15, 2014 | 001-04850 | |
| 3 | Open Document | Open Filing | Dec 18, 2014 | Dec 17, 2014 | 001-04850 |