| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 2, 2024 | May 2, 2024 | 001-41337 | |
| 4/A | Open Document | Open Filing | Feb 14, 2024 | Jun 23, 2023 | 001-41337 | |
| 4 | Open Document | Open Filing | Jun 23, 2023 | Jun 23, 2023 | 001-41337 | |
| 4 | Open Document | Open Filing | Mar 8, 2022 | Feb 21, 2022 | 000-55148 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 18, 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | Aug 6, 2019 | Aug 2, 2019 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2019 | Mar 1, 2019 | 001-35342 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 13, 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2019 | Jan 2, 2019 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 14, 2018 | Dec 12, 2018 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2018 | Mar 9, 2018 | 001-35342 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 13, 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2018 | Jan 2, 2018 | 001-35342 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 13, 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2017 | Jan 3, 2017 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 11, 2016 | Apr 7, 2016 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 16, 2016 | Mar 15, 2016 | 001-35342 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 12, 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2016 | Feb 3, 2016 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2016 | Jan 4, 2016 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 4, 2015 | Dec 3, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Nov 6, 2015 | Nov 4, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 7, 2015 | Oct 5, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Sep 8, 2015 | Aug 25, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 7, 2015 | Aug 5, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 8, 2015 | Jul 6, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 18, 2015 | Jun 17, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2015 | Jun 3, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2015 | May 5, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2015 | Apr 6, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2015 | Mar 4, 2015 | 001-35342 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 17, 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | Feb 6, 2015 | Feb 4, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2015 | Jan 6, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2015 | Jan 2, 2015 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 5, 2014 | Dec 3, 2014 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2014 | Nov 7, 2014 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 24, 2014 | Oct 22, 2014 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 7, 2014 | Oct 3, 2014 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Sep 8, 2014 | Sep 4, 2014 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 7, 2014 | Aug 5, 2014 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 9, 2014 | Jul 7, 2014 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2014 | Jun 2, 2014 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | May 5, 2014 | May 1, 2014 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2014 | Apr 1, 2014 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2014 | Mar 4, 2014 | 001-35342 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 14, 2014 | ||
| 4 | Open Document | Open Filing | FORM 4 | Feb 5, 2014 | Feb 3, 2014 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 15, 2014 | Jan 13, 2014 | 001-35342 | 
| 4/A | Open Document | Open Filing | FORM 4/A | Jan 15, 2014 | Jan 2, 2014 | 001-35342 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2014 | Jan 2, 2014 | 001-35342 |