| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2022 | Jan 1, 2022 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2021 | Feb 11, 2021 | 001-35746 | 
| 5 | Open Document | Open Filing | FORM 5 | Feb 10, 2021 | Dec 31, 2020 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 10, 2020 | Feb 6, 2020 | 001-35746 | 
| 5 | Open Document | Open Filing | FORM 5 | Feb 4, 2020 | Dec 31, 2019 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 24, 2020 | Jan 22, 2020 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2019 | Jan 22, 2019 | 001-35746 | 
| 3 | Open Document | Open Filing | FORM 3 | Jan 23, 2019 | Jan 22, 2019 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 2, 2016 | Aug 1, 2016 | 001-35390 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 17, 2016 | Jun 10, 2016 | 001-35390 | 
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2016 | May 2, 2016 | 001-35390 | 
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2015 | Apr 30, 2015 | 001-35390 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2014 | May 1, 2014 | 001-35390 |