| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 4, 2022 | Feb 3, 2022 | 001-33037 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2022 | Feb 2, 2022 | 001-33037 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2020 | May 1, 2020 | 001-33037 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 1, 2019 | Oct 31, 2019 | 001-33037 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 31, 2019 | Oct 31, 2019 | 001-33037 |
| 4 | Open Document | Open Filing | FORM 4 | May 31, 2018 | May 29, 2018 | 001-33037 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2018 | Dec 31, 2017 | 001-33037 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2017 | Dec 31, 2016 | 001-33037 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2017 | Feb 1, 2017 | 001-33037 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2016 | Dec 31, 2015 | 001-33037 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 31, 2015 | Dec 30, 2015 | 001-33037 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 27, 2015 | Mar 26, 2015 | 001-33037 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2015 | Dec 31, 2014 | 001-33037 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 29, 2014 | Sep 26, 2014 | 001-33037 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2014 | Jun 27, 2014 | 001-33037 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2014 | Jun 27, 2014 | 001-33037 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2014 | Jun 25, 2014 | 001-33037 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2014 | May 6, 2014 | 001-33037 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2014 | Mar 28, 2014 | 001-33037 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2014 | Dec 31, 2013 | 001-33037 |