| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Sep 7, 2023 | Sep 6, 2023 | 001-33720 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 23, 2023 | Aug 21, 2023 | 001-33720 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 23, 2023 | Jun 12, 2023 | 001-33720 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 5, 2020 | Jul 27, 2020 | 001-33720 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2017 | Jun 20, 2017 | 001-33720 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 11, 2016 | Apr 7, 2016 | 001-33720 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 1, 2015 | Apr 29, 2015 | 001-33720 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 30, 2014 | Feb 17, 2014 | 001-33720 |