| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Dec 30, 2021 | Dec 29, 2021 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 2, 2021 | Nov 30, 2021 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 2, 2021 | Aug 31, 2021 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2021 | May 28, 2021 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2021 | Feb 26, 2021 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 15, 2021 | Jan 13, 2021 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2021 | Jan 4, 2021 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 29, 2020 | Dec 24, 2020 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 2, 2020 | Nov 30, 2020 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 2, 2020 | Aug 31, 2020 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2020 | May 29, 2020 | 001-34950 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 9, 2020 | Feb 21, 2020 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2020 | Feb 28, 2020 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2020 | Feb 21, 2020 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 17, 2020 | Jan 15, 2020 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 14, 2020 | Jan 10, 2020 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 27, 2019 | Dec 24, 2019 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2019 | Nov 29, 2019 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 4, 2019 | Aug 30, 2019 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2019 | May 31, 2019 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2019 | Feb 28, 2019 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 14, 2019 | Jan 10, 2019 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2019 | Dec 31, 2018 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 31, 2018 | Dec 24, 2018 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 4, 2018 | Nov 30, 2018 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 5, 2018 | Aug 31, 2018 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2018 | May 31, 2018 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 23, 2018 | Mar 22, 2018 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2018 | Mar 4, 2018 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2018 | Feb 28, 2018 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2018 | Dec 31, 2017 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 28, 2017 | Dec 27, 2017 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 4, 2017 | Nov 30, 2017 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 22, 2017 | Aug 18, 2017 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2017 | May 31, 2017 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2017 | Feb 28, 2017 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2017 | Dec 31, 2016 | 001-34950 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 20, 2016 | Dec 16, 2016 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2016 | Nov 30, 2016 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2016 | Aug 31, 2016 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2016 | May 31, 2016 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2016 | Feb 26, 2016 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 11, 2016 | Jan 6, 2016 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2016 | Dec 31, 2015 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2015 | Nov 30, 2015 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 23, 2015 | Nov 22, 2015 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2015 | Nov 12, 2015 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2015 | Aug 31, 2015 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2015 | May 29, 2015 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2015 | Feb 27, 2015 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2015 | Feb 12, 2015 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2015 | Jan 14, 2015 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 13, 2015 | Jan 9, 2015 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Dec 31, 2014 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2014 | Dec 9, 2014 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2014 | Nov 26, 2014 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 25, 2014 | Nov 22, 2014 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2014 | Aug 29, 2014 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2014 | May 30, 2014 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2014 | Mar 7, 2014 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2014 | Feb 28, 2014 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2014 | Feb 11, 2014 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 13, 2014 | Jan 9, 2014 | 001-34950 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2014 | Dec 31, 2013 | 001-34950 |