| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 5, 2021 | Nov 5, 2021 | 001-34887 |
| 144 | Open Document | Open Filing | FORM 144 | Sep 8, 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | Sep 3, 2021 | Sep 1, 2021 | 001-34887 |
| 4/A | Open Document | Open Filing | FORM 4/A | Sep 2, 2021 | Aug 30, 2021 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 31, 2021 | Aug 30, 2021 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 27, 2021 | Aug 26, 2021 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 25, 2021 | Aug 24, 2021 | 001-34887 |
| 4/A | Open Document | Open Filing | FORM 4/A | Aug 24, 2021 | Aug 20, 2021 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 24, 2021 | Aug 20, 2021 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 20, 2021 | Aug 18, 2021 | 001-34887 |
| 144 | Open Document | Open Filing | FORM 144 | Aug 20, 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jul 8, 2021 | Jul 6, 2021 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 2, 2020 | Dec 1, 2020 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 1, 2020 | Aug 28, 2020 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2020 | Mar 3, 2020 | 001-34887 |
| 144/A | Open Document | Open Filing | FORM 144/A | Feb 10, 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2020 | Feb 5, 2020 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2020 | Feb 5, 2020 | 001-34887 |
| 144 | Open Document | Open Filing | FORM 144 | Feb 6, 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | Dec 12, 2019 | Dec 11, 2019 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 11, 2019 | Dec 9, 2019 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 9, 2019 | Dec 6, 2019 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 6, 2019 | Dec 5, 2019 | 001-34887 |
| 144 | Open Document | Open Filing | FORM 144 | Dec 5, 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 | Apr 11, 2019 | Apr 10, 2019 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 2, 2018 | Dec 28, 2017 | 001-34887 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2017 | Feb 28, 2017 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 5, 2016 | Jun 13, 2016 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 14, 2016 | Jun 13, 2016 | 001-34887 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 14, 2016 | Dec 3, 2015 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 14, 2015 | Dec 3, 2015 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 15, 2015 | Sep 11, 2015 | 001-34887 |
| 4/A | Open Document | Open Filing | AMENDMENT TO OWNERSHIP DOCUMENT | Jan 29, 2015 | Dec 10, 2014 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 11, 2014 | Dec 10, 2014 | 001-34887 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 14, 2014 | Jul 25, 2014 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 12, 2014 | Jul 25, 2014 | 001-34887 |