| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2022 | May 19, 2022 | 001-31829 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2021 | May 20, 2021 | 001-31829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2020 | May 14, 2020 | 001-31829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2019 | May 16, 2019 | 001-31829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 1, 2018 | Jul 30, 2018 | 001-31829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2018 | May 17, 2018 | 001-31829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2017 | May 17, 2017 | 001-31829 |
| 4 | Open Document | Open Filing | FORM 4 | May 13, 2016 | May 11, 2016 | 001-31829 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2015 | May 7, 2015 | 001-31829 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2015 | Mar 3, 2015 | 001-31829 |
| 4 | Open Document | Open Filing | FORM 4 | May 16, 2014 | May 14, 2014 | 001-31829 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 9, 2014 | Apr 7, 2014 | 001-31829 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 24, 2014 | Mar 20, 2014 | 001-31829 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2014 | Mar 4, 2014 | 001-31829 |