| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 1, 2024 | Apr 25, 2024 | 001-41108 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 31, 2023 | May 23, 2023 | 001-41198 |
| 5 | Open Document | Open Filing | Feb 16, 2022 | Dec 31, 2021 | 000-31380 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 22, 2021 | Oct 21, 2021 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2021 | Feb 19, 2021 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2020 | May 18, 2020 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 9, 2019 | Sep 5, 2019 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2019 | May 20, 2019 | 001-36252 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 7, 2019 | Apr 24, 2019 | 001-38036 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 28, 2018 | Jun 14, 2018 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 14, 2018 | Jun 14, 2018 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2018 | May 17, 2018 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | May 25, 2017 | May 25, 2017 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2017 | May 18, 2017 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 2, 2016 | Aug 1, 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 29, 2016 | Jun 27, 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2016 | Jun 20, 2016 | 001-36252 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 22, 2016 | Jun 20, 2016 | 001-36252 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2016 | May 11, 2016 | 000-31380 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 29, 2016 | Jan 13, 2016 | 001-36055 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 29, 2016 | Apr 27, 2016 | 001-36055 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 5, 2016 | Apr 5, 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2016 | Jan 1, 2016 | 000-31380 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 2, 2016 | Mar 1, 2016 | 000-55500 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2016 | Jan 29, 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 7, 2016 | Jan 5, 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2015 | Nov 12, 2015 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 5, 2015 | Oct 1, 2015 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 1, 2015 | Jul 1, 2015 | 000-31380 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 15, 2015 | Jan 9, 2015 | 001-36055 |
| 4/A | Open Document | Open Filing | FORM 4/A | Feb 24, 2015 | Feb 12, 2015 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2015 | Feb 12, 2015 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2014 | Mar 14, 2014 | 000-31380 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 8, 2014 | Sep 30, 2013 | 001-36055 |