| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jun 2022 | 09 May 2022 | 000-54624 |
| 3 | Open Document | Open Filing | FORM 3 | 09 Sep 2015 | 11 May 2015 | 001-33714 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 May 2015 | 21 Apr 2015 | 333-162072 |
| 3 | Open Document | Open Filing | FORM 3 | 09 Dec 2014 | 04 Dec 2014 | 000-51170 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2014 | 28 Jan 2014 | 001-33714 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 19 Feb 2014 |