| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | 31 Aug 2021 | 10 Aug 2021 | 001-40699 | |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Jun 2013 | 06 Jun 2013 | 000-50335 |
| 3/A | Open Document | Open Filing | FORM 3/A - | 17 May 2013 | 22 Aug 2012 | 000-50335 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Sep 2012 | 14 Sep 2012 | 000-50335 |
| 3 | Open Document | Open Filing | FORM 3 - | 24 Aug 2012 | 22 Aug 2012 | 000-50335 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 Jul 2012 | 20 Jul 2012 | 000-21123 |
| SC 13D | Open Document | Open Filing | SC 13D | 26 Apr 2012 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 06 Feb 2012 |