| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2022 | May 25, 2022 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 26, 2022 | Jan 14, 2022 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 10, 2021 | Nov 1, 2021 | 001-35913 |
| 5 | Open Document | Open Filing | FORM 5 | Mar 11, 2021 | Dec 31, 2020 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 20, 2021 | Jan 16, 2021 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 19, 2021 | Jan 14, 2021 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2020 | Mar 9, 2020 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2020 | Mar 6, 2020 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2020 | Feb 21, 2020 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 22, 2020 | Jan 17, 2020 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 3, 2019 | Aug 29, 2019 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 28, 2019 | Aug 27, 2019 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2019 | Feb 25, 2019 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2019 | Feb 21, 2019 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 22, 2019 | Jan 17, 2019 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 6, 2018 | Dec 3, 2018 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 10, 2018 | Sep 6, 2018 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 6, 2018 | Sep 4, 2018 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2018 | Feb 20, 2018 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2018 | Feb 15, 2018 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 31, 2018 | Jan 16, 2018 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 14, 2017 | Jun 12, 2017 | 001-35913 |
| 4/A | Open Document | Open Filing | FORM 4/A | Apr 7, 2017 | Jan 12, 2017 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 17, 2017 | Jan 12, 2017 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 12, 2016 | Dec 9, 2016 | 001-35913 |
| 4/A | Open Document | Open Filing | FORM 4/A | Nov 18, 2016 | Nov 7, 2016 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 7, 2016 | Nov 3, 2016 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 7, 2016 | Sep 7, 2016 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 19, 2016 | Jan 14, 2016 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2015 | Nov 12, 2015 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2015 | May 29, 2015 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 10, 2015 | Jan 16, 2015 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 2, 2014 | Sep 2, 2014 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 11, 2014 | Aug 11, 2014 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 30, 2014 | Apr 28, 2014 | 001-35913 |
| 4/A | Open Document | Open Filing | FORM 4/A | Feb 14, 2014 | Feb 6, 2014 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2014 | Jan 2, 2014 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2014 | Feb 6, 2014 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2014 | Feb 3, 2014 | 001-35913 |