| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2021 | Nov 19, 2021 | 001-36287 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 28, 2021 | Jun 24, 2021 | 001-36287 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 10, 2020 | Jul 9, 2020 | 001-36287 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2020 | Jun 10, 2020 | 001-36287 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 21, 2019 | Jun 19, 2019 | 001-36287 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 22, 2019 | Apr 18, 2019 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2018 | Dec 13, 2018 | 000-13839 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 21, 2018 | Jun 20, 2018 | 001-36287 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 26, 2017 | Dec 21, 2017 | 000-13839 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 27, 2017 | Jun 22, 2017 | 001-36287 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 11, 2017 | Jan 9, 2017 | 000-13839 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 13, 2016 | Jul 13, 2016 | 001-36095 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jun 22, 2016 | Jun 10, 2016 | 001-36287 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 13, 2016 | Jun 10, 2016 | 001-36287 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 28, 2016 | Apr 28, 2016 | 001-36095 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2016 | Jan 29, 2016 | 001-35731 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 28, 2016 | Jan 26, 2016 | 001-35731 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 26, 2016 | May 5, 2015 | 001-35731 |
| 4 | Open Document | Open Filing | 4 | Jan 5, 2016 | Dec 31, 2015 | 001-35731 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2015 | Dec 17, 2015 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2015 | Jul 9, 2015 | 001-36095 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2015 | Jul 9, 2015 | 001-36095 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 25, 2015 | Jun 23, 2015 | 000-13839 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 25, 2015 | Jun 23, 2015 | 000-13839 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 19, 2015 | Jun 17, 2015 | 001-36287 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 11, 2015 | Mar 9, 2015 | 001-35731 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 2, 2015 | Jan 3, 2015 | 001-35731 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 10, 2014 | Nov 7, 2014 | 001-35731 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 14, 2014 | Apr 25, 2014 | 001-35731 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2014 | Mar 3, 2014 | 001-36287 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 11, 2014 | Feb 11, 2014 | 001-36287 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 4, 2014 | Jan 31, 2014 | 001-35731 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 31, 2014 | Jan 29, 2014 | 001-35731 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 7, 2014 | Jan 3, 2014 | 001-35731 |