| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 28, 2022 | Jan 15, 2020 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2022 | May 14, 2022 | 001-33926 | 
| 5 | Open Document | Open Filing | FORM 5 | Apr 29, 2022 | Dec 31, 2021 | 001-33926 | 
| 5 | Open Document | Open Filing | FORM 5 | Feb 14, 2022 | Feb 14, 2022 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2021 | May 18, 2021 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2021 | May 14, 2021 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2020 | May 18, 2020 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2020 | Mar 11, 2020 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2020 | Mar 5, 2020 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2020 | Feb 27, 2020 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2020 | Feb 19, 2020 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 14, 2020 | Feb 12, 2020 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2020 | Feb 11, 2020 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2020 | Feb 7, 2020 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2020 | Feb 4, 2020 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2020 | Jan 27, 2020 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2020 | Jan 21, 2020 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 17, 2020 | Jan 15, 2020 | 001-33926 | 
| 5 | Open Document | Open Filing | FORM 5 | Feb 14, 2019 | Dec 31, 2018 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2018 | Dec 13, 2018 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 12, 2018 | Dec 11, 2018 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 12, 2018 | Dec 10, 2018 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 10, 2018 | Dec 6, 2018 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 20, 2018 | Jul 9, 2018 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2018 | Mar 13, 2018 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2018 | Feb 9, 2018 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 10, 2017 | Feb 9, 2017 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 9, 2016 | Feb 9, 2016 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 10, 2015 | Dec 8, 2015 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2015 | May 19, 2015 | 001-33926 | 
| 144 | Open Document | Open Filing | FORM 144 | May 11, 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2015 | Mar 6, 2015 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2015 | Feb 10, 2015 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2014 | Feb 25, 2014 | 001-33926 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2014 | Feb 21, 2014 | 001-33926 |