| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2022 | Mar 8, 2022 | 001-37983 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2021 | Apr 1, 2021 | 001-37983 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2020 | Mar 9, 2020 | 001-37983 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2019 | Mar 8, 2019 | 001-37983 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 18, 2018 | Jun 14, 2018 | 001-37983 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2017 | Feb 28, 2017 | 001-37983 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 18, 2017 | Jan 17, 2017 | 001-37983 |
| 4 | Open Document | Open Filing | Jan 17, 2017 | Jan 17, 2017 | 001-16489 | |
| 3 | Open Document | Open Filing | FORM 3 | Jan 17, 2017 | Jan 17, 2017 | 001-37983 |
| 4 | Open Document | Open Filing | May 4, 2016 | May 2, 2016 | 001-16489 | |
| 4 | Open Document | Open Filing | May 5, 2015 | May 1, 2015 | 001-16489 | |
| 4 | Open Document | Open Filing | May 5, 2014 | May 1, 2014 | 001-16489 |