| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 17, 2021 | Aug 13, 2021 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2021 | May 18, 2021 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2020 | May 18, 2020 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2020 | May 13, 2020 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2020 | Mar 7, 2020 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2019 | May 10, 2019 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2019 | Mar 7, 2019 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 15, 2018 | Aug 13, 2018 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 15, 2018 | May 11, 2018 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2018 | May 1, 2018 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 9, 2018 | Mar 7, 2018 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 7, 2018 | Mar 5, 2018 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 15, 2017 | Aug 13, 2017 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 10, 2017 | Apr 6, 2017 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2017 | Mar 6, 2017 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 16, 2016 | Aug 12, 2016 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 18, 2016 | Mar 11, 2016 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 10, 2016 | Mar 7, 2016 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 25, 2016 | Feb 23, 2016 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 18, 2015 | Aug 14, 2015 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 7, 2014 | Aug 5, 2014 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 11, 2014 | Jul 9, 2014 | 001-35628 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 8, 2014 | Jul 3, 2014 | 001-35628 |