| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 8, 2021 | Jun 4, 2021 | 001-38677 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2020 | Nov 19, 2020 | 001-38677 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 14, 2020 | Oct 12, 2020 | 001-38677 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 29, 2020 | Apr 27, 2020 | 001-38677 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Apr 29, 2020 | Apr 24, 2020 | 001-38677 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 7, 2019 | Dec 31, 2018 | 000-50744 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 10, 2017 | Feb 8, 2017 | 000-50744 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 2, 2016 | Oct 31, 2016 | 000-50744 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 11, 2016 | Oct 3, 2016 | 000-50744 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2015 | Mar 17, 2015 | 001-34273 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2015 | Mar 11, 2015 | 001-34273 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 19, 2014 | Aug 15, 2014 | 001-34273 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 7, 2014 | Aug 5, 2014 | 001-34273 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2014 | May 16, 2014 | 001-34273 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2014 | Feb 19, 2014 | 001-34273 |