| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2022 | Jun 1, 2022 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 27, 2021 | Dec 24, 2021 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 21, 2021 | Dec 17, 2021 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 22, 2020 | Dec 18, 2020 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 14, 2020 | Dec 10, 2020 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 10, 2020 | Dec 7, 2020 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2020 | Dec 5, 2019 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2019 | Dec 19, 2019 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2019 | May 21, 2019 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 21, 2018 | Dec 19, 2018 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2018 | Nov 29, 2018 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 26, 2017 | Dec 21, 2017 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 1, 2017 | May 30, 2017 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 19, 2016 | Dec 15, 2016 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 16, 2016 | Sep 14, 2016 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2015 | Dec 14, 2015 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 19, 2014 | Dec 17, 2014 | 001-35913 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2014 | Dec 13, 2013 | 001-35913 |