| 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 | 001-38519 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 21, 2019 | Nov 19, 2019 | 001-38519 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 14, 2019 | Dec 31, 2018 | 001-38519 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 27, 2018 | Nov 27, 2018 | 001-38519 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 14, 2017 | Dec 31, 2016 | 001-12830 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2016 | Jan 20, 2016 | 001-12830 |
| 5/A | Open Document | Open Filing | FORM 5/A SUBMISSION | Feb 17, 2016 | Dec 31, 2015 | 001-12830 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 16, 2016 | Dec 31, 2015 | 001-12830 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 4, 2016 | Dec 30, 2015 | 001-37648 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2015 | Mar 3, 2015 | 001-12830 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2015 | Feb 13, 2015 | 001-36646 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Aug 29, 2014 | Apr 9, 2014 | 000-55046 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2014 | Mar 20, 2014 | 001-12830 |