| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2021 | Jun 30, 2021 | 001-38560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2021 | Mar 31, 2021 | 001-38560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 26, 2020 | Jun 24, 2020 | 001-38560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 19, 2019 | Jun 18, 2019 | 001-38560 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2019 | Jan 25, 2019 | 001-37471 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 22, 2018 | Jun 20, 2018 | 000-53057 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2018 | Jan 25, 2018 | 001-37471 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Mar 17, 2017 | Mar 15, 2017 | 000-53057 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 30, 2017 | Jan 25, 2017 | 001-37471 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2016 | Dec 15, 2016 | 001-31791 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2016 | Feb 16, 2016 | 001-37471 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 8, 2015 | Mar 12, 2015 | 001-31791 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 29, 2015 | Jun 29, 2015 | 001-37471 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2014 | Nov 18, 2014 | 001-31791 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 14, 2014 | Apr 11, 2014 | 001-31791 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2014 | Jan 31, 2014 | 001-31791 |