| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2021 | Jun 4, 2021 | 001-37474 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2021 | Feb 4, 2021 | 001-14041 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2020 | Jul 21, 2020 | 001-14041 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2020 | May 14, 2020 | 001-37474 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 13, 2019 | Nov 11, 2019 | 001-14041 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 26, 2019 | Jul 24, 2019 | 001-14041 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2019 | May 6, 2019 | 001-37474 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2018 | Dec 14, 2018 | 001-14041 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 30, 2018 | Jul 26, 2018 | 001-14041 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2018 | May 7, 2018 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2018 | Feb 28, 2018 | 001-35706 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 15, 2017 | Aug 10, 2017 | 001-14041 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 31, 2017 | Jul 27, 2017 | 001-14041 |
| 4 | Open Document | Open Filing | FORM 4 - | Jul 26, 2017 | Jul 25, 2017 | 001-35706 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 30, 2017 | Jul 30, 2012 | 001-35706 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2017 | May 15, 2017 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 30, 2016 | Dec 29, 2016 | 001-35706 |
| 3 | Open Document | Open Filing | FORM 3 - | Dec 29, 2016 | Dec 29, 2016 | 001-35706 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 25, 2016 | Jul 21, 2016 | 001-14041 |
| 4 | Open Document | Open Filing | 4 | Jun 6, 2016 | Jun 2, 2016 | 001-37474 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 23, 2015 | Jul 21, 2015 | 001-14041 |
| 3 | Open Document | Open Filing | 3 | Jun 30, 2015 | Jun 30, 2015 | 001-37474 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 25, 2014 | Jul 23, 2014 | 001-14041 |