| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 6, 2023 | Feb 25, 2022 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 15, 2022 | Feb 12, 2022 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 31, 2022 | Jan 27, 2022 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2021 | Feb 14, 2021 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 8, 2021 | Feb 4, 2021 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2020 | Feb 13, 2020 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 30, 2020 | Jan 29, 2020 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 1, 2019 | Jun 27, 2019 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 14, 2019 | Feb 13, 2019 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 28, 2018 | Jun 27, 2018 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 20, 2018 | Jun 19, 2018 | 001-37512 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 15, 2018 | Feb 13, 2018 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 12, 2018 | Feb 8, 2018 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 - | Oct 26, 2017 | Oct 25, 2017 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 28, 2017 | Jun 27, 2017 | 001-08895 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2017 | May 3, 2017 | 001-37512 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 28, 2016 | Jun 27, 2016 | 001-08895 |
| 3 | Open Document | Open Filing | FORM 3 - | Jun 28, 2016 | Jun 27, 2016 | 001-08895 |
| 4 | Open Document | Open Filing | 4 | Jun 23, 2016 | Jun 22, 2016 | 001-37512 |
| 4 | Open Document | Open Filing | Jun 7, 2016 | Jun 3, 2016 | 001-10524 | |
| 4 | Open Document | Open Filing | Feb 17, 2016 | Feb 16, 2016 | 001-10524 | |
| 4 | Open Document | Open Filing | Feb 8, 2016 | Feb 5, 2016 | 001-10524 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2016 | Feb 4, 2016 | 001-10524 |
| 4 | Open Document | Open Filing | Jan 5, 2016 | Dec 31, 2015 | 001-10524 | |
| 4 | Open Document | Open Filing | 4 | Dec 7, 2015 | Dec 3, 2015 | 001-37512 |
| 4 | Open Document | Open Filing | 4 | Sep 8, 2015 | Sep 3, 2015 | 001-37512 |
| 3 | Open Document | Open Filing | 3 | Apr 15, 2015 | Apr 13, 2015 | 000-51293 |
| 4 | Open Document | Open Filing | Feb 9, 2015 | Feb 5, 2015 | 001-10524 | |
| 4 | Open Document | Open Filing | Jan 2, 2015 | Dec 31, 2014 | 001-10524 | |
| 4 | Open Document | Open Filing | Feb 10, 2014 | Feb 6, 2014 | 001-10524 |