| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 14, 2021 | Jun 10, 2021 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 16, 2021 | Mar 15, 2021 | 001-34177 |
| 144 | Open Document | Open Filing | FORM 144 | Mar 16, 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jun 19, 2020 | Jun 18, 2020 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2019 | May 8, 2019 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 9, 2019 | Apr 5, 2019 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2018 | May 10, 2018 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2018 | May 2, 2018 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 19, 2017 | May 17, 2017 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 31, 2017 | Mar 29, 2017 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 23, 2016 | May 19, 2016 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2016 | May 3, 2016 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 4, 2015 | Dec 2, 2015 | 001-34177 |
| 4 | Open Document | Open Filing | MAY 2015 | May 22, 2015 | May 20, 2015 | 001-34177 |
| 4 | Open Document | Open Filing | May 20, 2014 | May 16, 2014 | 001-34177 |