| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Sep 30, 2021 | Sep 28, 2021 | 001-32954 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 29, 2021 | Jul 27, 2021 | 001-32954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2017 | May 15, 2017 | 001-34673 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2017 | Feb 21, 2017 | 001-34673 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 29, 2016 | Aug 25, 2016 | 001-34673 |
| 4 | Open Document | Open Filing | Feb 24, 2016 | Feb 22, 2016 | 001-34673 | |
| 4 | Open Document | Open Filing | Jun 25, 2015 | Jun 23, 2015 | 001-34673 | |
| 4 | Open Document | Open Filing | Mar 19, 2015 | Mar 17, 2015 | 001-35060 | |
| 4 | Open Document | Open Filing | Mar 3, 2015 | Mar 2, 2015 | 001-34673 | |
| 4 | Open Document | Open Filing | Nov 12, 2014 | Nov 7, 2014 | 001-35060 | |
| 4 | Open Document | Open Filing | Jun 5, 2014 | Jun 3, 2014 | 001-35060 | |
| 4 | Open Document | Open Filing | Apr 8, 2014 | Apr 4, 2014 | 001-34673 | |
| 3 | Open Document | Open Filing | Apr 8, 2014 | Apr 4, 2014 | 001-34673 |