| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2024 | Feb 16, 2024 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 21, 2023 | Dec 19, 2023 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 5, 2023 | Dec 1, 2023 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | May 25, 2023 | May 23, 2023 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2021 | Mar 12, 2021 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 4, 2021 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 23, 2020 | Nov 20, 2020 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 11, 2020 | Aug 7, 2020 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2020 | May 21, 2020 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2020 | Mar 5, 2020 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 31, 2020 | Jan 29, 2020 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 21, 2019 | Nov 20, 2019 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 26, 2019 | Aug 26, 2019 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2019 | Jun 5, 2019 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2019 | Mar 7, 2019 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 10, 2019 | Jan 9, 2019 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 19, 2018 | Nov 19, 2018 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 17, 2018 | Aug 17, 2018 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 13, 2018 | Jun 11, 2018 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2018 | Feb 26, 2018 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2017 | Nov 14, 2017 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 20, 2017 | Sep 18, 2017 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 31, 2017 | Jul 24, 2017 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 26, 2017 | Apr 25, 2017 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2017 | Feb 27, 2017 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 21, 2016 | Dec 19, 2016 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 1, 2016 | May 31, 2016 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2016 | Mar 7, 2016 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2016 | Feb 11, 2016 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2015 | Nov 12, 2015 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 16, 2015 | Sep 15, 2015 | 000-52748 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2015 | Aug 3, 2015 | 000-52748 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2015 | Jun 12, 2015 | 000-52748 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 16, 2015 | Mar 16, 2015 | 000-52748 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 20, 2015 | Jan 15, 2015 | 000-52748 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 20, 2014 | Nov 18, 2014 | 000-52748 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 31, 2014 | Jul 31, 2014 | 000-52748 |
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2014 | May 22, 2014 | 000-52748 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2014 | Mar 6, 2014 | 000-52748 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 30, 2014 | Jan 30, 2014 | 000-52748 |