| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2022 | Mar 17, 2022 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2021 | Dec 17, 2021 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2021 | Dec 15, 2021 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 28, 2021 | Oct 28, 2021 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 21, 2021 | Sep 17, 2021 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 21, 2021 | Jun 17, 2021 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2021 | Jun 11, 2021 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2021 | Mar 17, 2021 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2021 | Mar 1, 2021 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 18, 2020 | Dec 17, 2020 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 18, 2020 | Sep 17, 2020 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 18, 2020 | Jun 17, 2020 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2020 | Mar 17, 2020 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 18, 2019 | Dec 17, 2019 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 19, 2019 | Sep 17, 2019 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 18, 2019 | Jun 17, 2019 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 14, 2019 | Jun 12, 2019 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 18, 2019 | Mar 17, 2019 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 18, 2018 | Dec 17, 2018 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 18, 2018 | Sep 17, 2018 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 19, 2018 | Jun 15, 2018 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2018 | Mar 17, 2018 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2017 | Dec 18, 2017 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 19, 2017 | Sep 17, 2017 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 19, 2017 | Jun 17, 2017 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2017 | Jun 7, 2017 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2017 | Mar 17, 2017 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2016 | Dec 17, 2016 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 19, 2016 | Sep 17, 2016 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 21, 2016 | Jun 17, 2016 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2016 | Mar 18, 2016 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 21, 2015 | Dec 18, 2015 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 21, 2015 | Sep 18, 2015 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 25, 2015 | Jun 24, 2015 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 22, 2015 | Jun 18, 2015 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 20, 2015 | Mar 18, 2015 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2014 | Dec 18, 2014 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 22, 2014 | Sep 19, 2014 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 20, 2014 | Jun 20, 2014 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 19, 2014 | Jun 17, 2014 | 001-33876 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 20, 2014 | Mar 18, 2014 | 001-33876 |