| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Aug 2022 | 02 Aug 2022 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Aug 2021 | 02 Aug 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Jul 2021 | 28 Jul 2021 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | 21 Aug 2020 | 19 Aug 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | 31 Jul 2020 | 29 Jul 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | 03 Sep 2019 | 30 Aug 2019 | 001-37558 |
| 4/A | Open Document | Open Filing | 4/A | 26 Aug 2019 | 21 Aug 2019 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | 21 Aug 2019 | 19 Aug 2019 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | 01 Aug 2019 | 31 Jul 2019 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | 25 Jun 2018 | 22 Jun 2018 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | 23 May 2018 | 23 May 2018 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | 02 Feb 2018 | 31 Jan 2018 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | 26 Sep 2017 | 22 Sep 2017 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | 27 Jun 2017 | 23 Jun 2017 | 001-38132 |
| 4 | Open Document | Open Filing | 4 | 09 Feb 2017 | 07 Feb 2017 | 001-37558 |
| 3 | Open Document | Open Filing | 3 | 30 Dec 2016 | 30 Dec 2016 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | 24 Feb 2015 | 21 Feb 2015 | 000-23272 |
| 4 | Open Document | Open Filing | 4 | 20 Feb 2015 | 12 Feb 2015 | 000-23272 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2014 | 12 Feb 2014 | 000-23272 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2014 | 24 Jan 2014 | 000-21699 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2014 | 08 Jan 2014 | 000-21699 |