| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2021 | Jul 21, 2021 | 001-08568 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2021 | Feb 16, 2021 | 001-08568 |
| 3 | Open Document | Open Filing | FORM 3 | Feb 24, 2021 | Feb 15, 2021 | 001-08568 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Sep 5, 2017 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 5, 2017 | Aug 31, 2017 | 001-35622 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2017 | Jul 5, 2017 | 001-35622 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2017 | Feb 8, 2017 | 001-35622 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2017 | Feb 4, 2017 | 001-35622 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2017 | Jan 1, 2017 | 001-35622 |
| SC 13D | Open Document | Open Filing | SC 13D | Jul 20, 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 12, 2016 | Jul 11, 2016 | 001-36150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 7, 2016 | Jul 5, 2016 | 001-35622 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2016 | May 16, 2016 | 001-35622 |
| 5 | Open Document | Open Filing | FORM 5 | Feb 12, 2016 | Dec 31, 2015 | 001-35622 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2016 | Jan 6, 2016 | 001-35622 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2016 | Jan 1, 2016 | 001-35622 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 8, 2015 | Jun 4, 2015 | 001-35622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 8, 2015 | Jun 4, 2015 | 001-36150 |
| 4 | Open Document | Open Filing | FORM 4 - | Apr 8, 2015 | Apr 7, 2015 | 001-35622 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 6, 2015 | Mar 5, 2015 | 001-35622 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 4, 2015 | Mar 2, 2015 | 001-35622 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 5, 2015 | Jan 1, 2015 | 001-35622 |
| 4 | Open Document | Open Filing | FORM 4 - | Nov 10, 2014 | Nov 10, 2014 | 001-35622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 22, 2014 | Sep 18, 2014 | 001-36150 |
| 4 | Open Document | Open Filing | FORM 4 - | May 13, 2014 | May 12, 2014 | 001-35622 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 6, 2014 | Feb 4, 2014 | 001-35622 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 4, 2014 | Jan 31, 2014 | 001-35622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 24, 2014 | Jan 23, 2014 | 001-36150 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 9, 2014 | Jan 7, 2014 | 001-36150 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 3, 2014 | Jan 1, 2014 | 001-35622 |