| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | FORM 3 | 22 Feb 2022 | 20 Feb 2022 | 000-56378 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Mar 2020 | 13 Mar 2020 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Mar 2020 | 09 Mar 2020 | 814-00971 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Nov 2019 | 01 Nov 2019 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2019 | 13 Mar 2019 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2019 | 08 Mar 2019 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Nov 2018 | 28 Nov 2018 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2018 | 30 Mar 2018 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2018 | 08 Mar 2018 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2017 | 08 Mar 2017 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Aug 2016 | 10 Aug 2016 | 001-37820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Mar 2016 | 24 Mar 2016 | 001-33864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Mar 2016 | 22 Mar 2016 | 001-33864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2015 | 11 Nov 2015 | 001-33864 |
| 144 | Open Document | Open Filing | FORM 144 | 12 Nov 2015 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Mar 2015 | 24 Mar 2015 | 001-33864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2015 | 06 Mar 2015 | 001-33864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2015 | 25 Feb 2015 | 001-33864 |
| 144 | Open Document | Open Filing | FORM 144 | 25 Feb 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | 10 Mar 2014 | 06 Mar 2014 | 001-33864 |