| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 8, 2024 | May 7, 2024 | 001-32733 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2022 | May 6, 2022 | 001-32733 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2021 | May 21, 2021 | 001-32733 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2020 | Mar 9, 2020 | 001-32733 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2019 | Mar 8, 2019 | 001-32733 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2018 | Mar 8, 2018 | 001-32733 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 1, 2017 | Jun 1, 2017 | 001-38105 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2017 | Mar 8, 2017 | 001-32733 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 7, 2016 | Oct 5, 2016 | 001-35405 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2016 | Mar 8, 2016 | 001-32733 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2016 | Jan 1, 2016 | 001-35405 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2015 | Mar 9, 2015 | 001-32733 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2015 | Jan 1, 2015 | 001-35953 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 2, 2015 | Jan 1, 2015 | 001-35405 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2014 | Mar 10, 2014 | 001-32733 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 10, 2014 | Jan 8, 2014 | 001-35405 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2014 | Jan 1, 2014 | 001-35953 |