| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Dec 13, 2021 | Dec 9, 2021 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2021 | May 1, 2021 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 18, 2020 | Dec 16, 2020 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2020 | May 1, 2020 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2019 | Dec 19, 2019 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2019 | May 1, 2019 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2019 | Mar 6, 2019 | 001-12755 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2019 | Mar 1, 2019 | 001-12755 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2019 | Feb 24, 2019 | 001-12755 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 21, 2018 | Dec 10, 2018 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 7, 2018 | Nov 5, 2018 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2018 | May 1, 2018 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2018 | Mar 1, 2018 | 001-12755 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 27, 2018 | Feb 24, 2018 | 001-12755 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 20, 2018 | Feb 16, 2018 | 001-12755 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2018 | Jan 23, 2018 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 5, 2017 | Sep 1, 2017 | 001-38131 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 26, 2017 | Jun 26, 2017 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2017 | May 1, 2017 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 28, 2017 | Feb 24, 2017 | 001-12755 |
| 4 | Open Document | Open Filing | Feb 24, 2017 | Feb 22, 2017 | 001-02207 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2017 | Feb 16, 2017 | 001-12755 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 15, 2017 | Feb 13, 2017 | 001-12755 |
| 4 | Open Document | Open Filing | May 31, 2016 | May 26, 2016 | 001-02207 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2016 | May 1, 2016 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2016 | Feb 26, 2016 | 001-12755 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2016 | Feb 13, 2016 | 001-12755 |
| 4 | Open Document | Open Filing | Jun 3, 2015 | Jun 1, 2015 | 001-02207 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2015 | May 1, 2015 | 001-35538 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2015 | Feb 13, 2015 | 001-12755 |
| 4 | Open Document | Open Filing | May 30, 2014 | May 28, 2014 | 001-02207 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2014 | May 1, 2014 | 001-35538 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2014 | Feb 18, 2014 | 001-12755 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2014 | Feb 15, 2014 | 001-12755 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2014 | Feb 13, 2014 | 001-12755 |