| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2022 | Dec 31, 2021 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 29, 2021 | Dec 27, 2021 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2021 | Nov 1, 2021 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 16, 2021 | Aug 16, 2021 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 11, 2021 | Aug 9, 2021 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2021 | Jul 2, 2021 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | May 5, 2021 | May 4, 2021 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 7, 2021 | Apr 6, 2021 | 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 | Jan 8, 2021 | Jan 7, 2021 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 5, 2020 | Oct 2, 2020 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 14, 2020 | Aug 13, 2020 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 12, 2020 | Aug 11, 2020 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 9, 2020 | Jul 8, 2020 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 27, 2020 | Apr 24, 2020 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 6, 2020 | Apr 3, 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 | Dec 31, 2019 | Dec 30, 2019 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2019 | Oct 31, 2019 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2019 | Oct 1, 2019 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 16, 2019 | Aug 15, 2019 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 13, 2019 | Aug 11, 2019 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 3, 2019 | Jul 2, 2019 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2019 | May 30, 2019 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2019 | May 2, 2019 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 30, 2019 | Apr 26, 2019 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 5, 2019 | Apr 4, 2019 | 001-35746 | 
| 5 | Open Document | Open Filing | FORM 5 | Feb 13, 2019 | Dec 31, 2018 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 28, 2018 | Dec 26, 2018 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 4, 2018 | Oct 3, 2018 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 16, 2018 | Aug 15, 2018 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 14, 2018 | Aug 11, 2018 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 13, 2018 | Aug 9, 2018 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 3, 2018 | Jun 29, 2018 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | May 1, 2018 | Apr 27, 2018 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2018 | Apr 3, 2018 | 001-35746 | 
| 5 | Open Document | Open Filing | FORM 5 | Feb 14, 2018 | Dec 31, 2017 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 10, 2018 | Jan 8, 2018 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 4, 2017 | Oct 3, 2017 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 15, 2017 | Aug 11, 2017 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 30, 2017 | Jun 29, 2017 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2017 | Apr 28, 2017 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 6, 2017 | Apr 4, 2017 | 001-35746 | 
| 5 | Open Document | Open Filing | FORM 5 | Feb 13, 2017 | Dec 31, 2016 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 27, 2016 | Dec 23, 2016 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2016 | Sep 29, 2016 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 16, 2016 | Aug 12, 2016 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 7, 2016 | Jul 5, 2016 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | May 5, 2016 | May 3, 2016 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2016 | Apr 6, 2016 | 001-35746 | 
| 5 | Open Document | Open Filing | FORM 5 | Jan 27, 2016 | Dec 31, 2015 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 30, 2015 | Dec 28, 2015 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 6, 2015 | Oct 5, 2015 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 7, 2015 | Jul 6, 2015 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 6, 2015 | May 5, 2015 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 1, 2015 | Apr 1, 2015 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 30, 2015 | Jan 28, 2015 | 001-35746 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2015 | Jan 2, 2015 | 001-35746 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 5, 2015 | Jan 1, 2015 | 001-35746 |