| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | May 11, 2021 | Apr 30, 2021 | 001-38636 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 5, 2015 | Aug 5, 2015 | 001-37528 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 31, 2015 | Jul 31, 2015 | 001-37528 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 15, 2014 | Sep 3, 2014 | 001-35108 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 14, 2014 | Aug 12, 2014 | 001-13828 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 23, 2014 | Jul 23, 2014 | 001-36542 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 17, 2014 | Jul 17, 2014 | 001-36542 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 10, 2014 | Jun 9, 2014 | 001-13828 |