| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2021 | Jun 3, 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2020 | Jun 3, 2020 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 4, 2019 | Jun 2, 2019 | 001-36331 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 7, 2018 | Jun 5, 2018 | 001-36331 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2018 | Feb 16, 2018 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 6, 2017 | Dec 4, 2017 | 001-38017 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 20, 2017 | Nov 16, 2017 | 001-38017 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 3, 2017 | Nov 2, 2017 | 001-38017 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 25, 2017 | Aug 23, 2017 | 001-38017 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 18, 2017 | Aug 16, 2017 | 001-38017 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 1, 2017 | Jul 29, 2017 | 001-38017 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 6, 2017 | Jun 5, 2017 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2017 | Mar 1, 2017 | 001-38017 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Mar 1, 2017 | Mar 1, 2017 | 001-38017 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2016 | Jun 8, 2016 | 001-36331 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 15, 2015 | Jun 11, 2015 | 001-36331 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 15, 2015 | Jun 11, 2015 | 001-36331 |