| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | FORM 3 | Feb 22, 2022 | Feb 20, 2022 | 000-56378 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 23, 2020 | Mar 13, 2020 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 11, 2020 | Mar 9, 2020 | 814-00971 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 5, 2019 | Nov 1, 2019 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 15, 2019 | Mar 13, 2019 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2019 | Mar 8, 2019 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 30, 2018 | Nov 28, 2018 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2018 | Mar 30, 2018 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2018 | Mar 8, 2018 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 14, 2017 | Mar 8, 2017 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 11, 2016 | Aug 10, 2016 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 28, 2016 | Mar 24, 2016 | 001-33864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 24, 2016 | Mar 22, 2016 | 001-33864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2015 | Nov 11, 2015 | 001-33864 |
| 144 | Open Document | Open Filing | FORM 144 | Nov 12, 2015 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 26, 2015 | Mar 24, 2015 | 001-33864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2015 | Mar 6, 2015 | 001-33864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2015 | Feb 25, 2015 | 001-33864 |
| 144 | Open Document | Open Filing | FORM 144 | Feb 25, 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2014 | Mar 6, 2014 | 001-33864 |