| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2022 | Apr 1, 2022 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2022 | Feb 19, 2022 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2022 | Feb 16, 2022 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2021 | Feb 13, 2021 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 18, 2020 | Nov 16, 2020 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2020 | Feb 19, 2020 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2020 | Feb 18, 2020 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2019 | Feb 19, 2019 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2019 | Feb 15, 2019 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 11, 2018 | Jun 7, 2018 | 001-12933 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 8, 2018 | Jun 8, 2018 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2018 | Mar 8, 2018 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 20, 2018 | Feb 15, 2018 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 15, 2018 | Feb 13, 2018 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 11, 2017 | Dec 7, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 11, 2017 | Sep 7, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2017 | Jun 1, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 22, 2017 | Feb 19, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2017 | Feb 15, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2016 | Feb 15, 2016 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 18, 2015 | Nov 16, 2015 | 001-12933 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 18, 2015 | Nov 16, 2015 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 23, 2015 | Sep 23, 2015 | 000-53533 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2015 | Mar 2, 2015 | 000-53533 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2015 | Feb 13, 2015 | 000-53533 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2014 | Mar 1, 2014 | 000-53533 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 3, 2014 | Mar 1, 2014 | 000-53533 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Feb 14, 2014 | Feb 19, 2013 | 001-12933 |