| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2022 | Mar 29, 2022 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2021 | Mar 29, 2021 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2020 | Aug 17, 2020 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2020 | May 12, 2020 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2020 | Mar 30, 2020 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2019 | Mar 29, 2019 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 17, 2018 | Aug 16, 2018 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2018 | May 31, 2018 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2018 | Mar 29, 2018 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | May 31, 2017 | May 31, 2017 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2017 | Mar 29, 2017 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2016 | Mar 29, 2016 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2015 | Mar 29, 2015 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2014 | Mar 29, 2014 | 001-34272 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2014 | Mar 6, 2014 | 001-34272 |