| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 7, 2022 | Apr 6, 2022 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2022 | Feb 28, 2022 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2022 | Feb 16, 2022 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2021 | Jun 23, 2021 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2021 | Feb 27, 2021 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2020 | Jun 23, 2020 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2020 | Feb 27, 2020 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2020 | Feb 15, 2020 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2019 | Jun 23, 2019 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2019 | Feb 27, 2019 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2019 | Feb 15, 2019 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 26, 2018 | Jun 23, 2018 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2018 | Feb 27, 2018 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2018 | Feb 15, 2018 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 27, 2017 | Jun 23, 2017 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2017 | Mar 13, 2017 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2017 | Feb 27, 2017 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2017 | Feb 16, 2017 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 25, 2016 | Aug 25, 2016 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 27, 2016 | Jun 23, 2016 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 11, 2015 | Dec 9, 2015 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2015 | Jun 23, 2015 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2014 | Aug 15, 2014 | 001-36441 |
| 4/A | Open Document | Open Filing | FORM 4/A | Aug 18, 2014 | May 7, 2014 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 12, 2014 | Aug 11, 2014 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2014 | May 7, 2014 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2014 | May 7, 2014 | 000-51557 |
| 3 | Open Document | Open Filing | FORM 3 | May 6, 2014 | May 6, 2014 | 001-36441 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2014 | Feb 23, 2014 | 000-51557 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2014 | Jan 25, 2014 | 000-51557 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2014 | Jan 23, 2014 | 000-51557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2014 | Jan 25, 2014 | 000-51557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 24, 2014 | Jan 23, 2014 | 000-51557 |