| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 3, 2021 | Dec 1, 2021 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 22, 2021 | Oct 20, 2021 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 28, 2021 | Sep 24, 2021 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2021 | Feb 16, 2021 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 17, 2020 | Dec 15, 2020 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 19, 2020 | Oct 15, 2020 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 17, 2020 | Jul 15, 2020 | 001-37468 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2020 | Jul 1, 2020 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 20, 2020 | May 19, 2020 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2020 | May 5, 2020 | 001-37468 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Feb 14, 2020 | Jan 15, 2020 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 16, 2020 | Jan 15, 2020 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 21, 2019 | Nov 19, 2019 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 16, 2019 | Jul 15, 2019 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2019 | May 8, 2019 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 15, 2018 | Oct 11, 2018 | 001-37468 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jun 29, 2018 | Dec 11, 2017 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 18, 2018 | Apr 16, 2018 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 17, 2018 | Jan 16, 2018 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 13, 2017 | Dec 11, 2017 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 19, 2017 | Oct 17, 2017 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 15, 2016 | Dec 14, 2016 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 22, 2016 | Nov 22, 2016 | 001-37468 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 12, 2016 | Dec 31, 2015 | 001-37468 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jan 12, 2016 | Dec 18, 2015 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 22, 2015 | Dec 18, 2015 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 8, 2015 | Oct 6, 2015 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 8, 2015 | Oct 6, 2015 | 001-37468 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jul 6, 2015 | Jun 25, 2015 | 001-37468 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 29, 2015 | Jun 25, 2015 | 001-37468 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 25, 2015 | Jun 25, 2015 | 001-37468 |