| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Oct 2022 | 03 Oct 2022 | 001-34249 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2015 | 16 Mar 2015 | 000-25813 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Mar 2014 | 13 Mar 2014 | 000-25813 |
| 3 | Open Document | Open Filing | FORM 3 | 17 Mar 2014 | 13 Mar 2014 | 000-25813 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jun 2012 | 14 Jun 2012 | 001-08766 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2012 | 03 Feb 2012 | 001-08766 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2012 | 02 Feb 2012 | 001-08766 |