| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2022 | Mar 2, 2022 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 20, 2021 | Aug 18, 2021 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 25, 2021 | May 21, 2021 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2021 | May 19, 2021 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2021 | Mar 2, 2021 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 25, 2020 | Aug 20, 2020 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2020 | May 21, 2020 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2020 | Mar 16, 2020 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2020 | Mar 2, 2020 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 29, 2019 | May 24, 2019 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2019 | May 24, 2019 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 18, 2018 | Jul 17, 2018 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 27, 2018 | Jun 25, 2018 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 1, 2018 | May 30, 2018 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 29, 2018 | May 24, 2018 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2018 | May 9, 2018 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 14, 2017 | Dec 12, 2017 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2017 | May 25, 2017 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2016 | May 19, 2016 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2015 | Dec 14, 2015 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 18, 2015 | Nov 16, 2015 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 26, 2015 | Aug 25, 2015 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 24, 2014 | Nov 20, 2014 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 10, 2014 | Sep 8, 2014 | 001-33891 |