| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2024 | May 1, 2024 | 001-33812 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2023 | May 1, 2023 | 001-33812 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2022 | May 1, 2022 | 001-33812 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2021 | May 1, 2021 | 001-33812 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2020 | May 1, 2020 | 001-33812 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2019 | May 1, 2019 | 001-33812 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2018 | May 1, 2018 | 001-33812 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 2, 2017 | May 1, 2017 | 001-33812 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2016 | Apr 28, 2016 | 001-33812 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2015 | Apr 30, 2015 | 001-33812 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2015 | Mar 10, 2015 | 001-33812 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 12, 2015 | Mar 10, 2015 | 001-33812 |