| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 13, 2022 | Jun 10, 2022 | 001-33887 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2021 | Jun 4, 2021 | 001-33887 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 11, 2020 | Jun 9, 2020 | 001-33887 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 12, 2019 | Aug 12, 2019 | 001-33887 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 11, 2018 | Jun 7, 2018 | 001-33887 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2017 | Jun 13, 2017 | 001-33887 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 9, 2016 | Aug 5, 2016 | 001-33887 |
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2015 | May 26, 2015 | 001-33887 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2014 | May 15, 2014 | 001-33887 |