| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Sep 1, 2023 | Aug 30, 2023 | 001-37823 | |
| 4 | Open Document | Open Filing | Jul 5, 2022 | Jul 1, 2022 | 001-37823 | |
| 4 | Open Document | Open Filing | Sep 22, 2021 | Sep 22, 2021 | 001-37823 | |
| 4 | Open Document | Open Filing | Apr 29, 2021 | Apr 29, 2021 | 001-37823 | |
| 4 | Open Document | Open Filing | Mar 31, 2021 | Mar 31, 2021 | 001-37823 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 4, 2021 | Dec 31, 2020 | 001-37823 |
| 4 | Open Document | Open Filing | Sep 30, 2020 | Sep 30, 2020 | 001-37823 | |
| 4 | Open Document | Open Filing | Sep 17, 2020 | Sep 15, 2020 | 001-37823 | |
| 4 | Open Document | Open Filing | Jun 30, 2020 | Jun 26, 2020 | 001-37823 | |
| 4 | Open Document | Open Filing | Mar 31, 2020 | Mar 31, 2020 | 001-37823 | |
| 4 | Open Document | Open Filing | Jan 2, 2020 | Dec 31, 2019 | 001-37823 | |
| 4 | Open Document | Open Filing | Oct 1, 2019 | Sep 30, 2019 | 001-37823 | |
| 4 | Open Document | Open Filing | Sep 9, 2019 | Sep 5, 2019 | 001-37823 | |
| 4 | Open Document | Open Filing | Jul 1, 2019 | Jun 28, 2019 | 001-37823 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 1, 2019 | Apr 30, 2019 | 001-37823 |
| 4 | Open Document | Open Filing | Apr 1, 2019 | Mar 29, 2019 | 001-37823 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 2, 2019 | Dec 31, 2018 | 001-37823 |
| 4 | Open Document | Open Filing | Nov 13, 2018 | Nov 8, 2018 | 001-37823 | |
| 4 | Open Document | Open Filing | Oct 1, 2018 | Sep 28, 2018 | 001-37823 | |
| 4 | Open Document | Open Filing | Jul 3, 2018 | Jun 29, 2018 | 001-37823 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 3, 2018 | Mar 30, 2018 | 001-37823 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 3, 2018 | Dec 31, 2017 | 001-37823 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 2, 2017 | Sep 29, 2017 | 001-37823 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 11, 2017 | Jul 7, 2017 | 001-37823 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 5, 2017 | Jun 30, 2017 | 001-37823 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 4, 2017 | Mar 31, 2017 | 001-37823 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 3, 2017 | Dec 31, 2016 | 001-37823 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 5, 2016 | Oct 3, 2016 | 001-37823 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 19, 2016 | Jul 18, 2016 | 001-37823 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 3, 2016 | Apr 29, 2016 | 000-54801 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 20, 2014 | Mar 18, 2014 | 000-54801 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2014 | Feb 5, 2014 | 000-54801 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2014 | Jan 31, 2014 | 000-54801 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2014 | Jan 29, 2014 | 000-54801 |