| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | Jun 2, 2021 | Jun 2, 2021 | 001-35155 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2020 | Jun 30, 2020 | 000-14625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 29, 2020 | Jun 26, 2020 | 000-14625 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 5, 2020 | Jun 3, 2020 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 10, 2019 | Jun 6, 2019 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 7, 2019 | Jun 5, 2019 | 001-35155 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 7, 2019 | Jun 5, 2019 | 000-14625 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 18, 2018 | Jun 14, 2018 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 8, 2018 | Jun 6, 2018 | 001-35155 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2018 | Jun 6, 2018 | 000-14625 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 12, 2017 | Jun 8, 2017 | 001-35155 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2017 | Jun 7, 2017 | 000-14625 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 11, 2016 | Aug 9, 2016 | 001-35155 |
| 3 | Open Document | Open Filing | FORM 3 - | Jun 13, 2016 | Jun 9, 2016 | 001-35155 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2016 | Jun 1, 2016 | 000-14625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 28, 2015 | Dec 21, 2015 | 000-14625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2015 | Jun 3, 2015 | 000-14625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 11, 2014 | Jun 10, 2014 | 000-14625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2014 | Jun 4, 2014 | 000-14625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 15, 2014 | Apr 11, 2014 | 000-14625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 28, 2014 | Mar 27, 2014 | 000-14625 |