| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | FORM 3 | 08 Dec 2021 | 08 Dec 2021 | 001-41128 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2014 | 14 Nov 2014 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Oct 2014 | 09 Oct 2014 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Aug 2014 | 15 Aug 2014 | 001-09894 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Aug 2014 | 12 Aug 2014 | 001-33988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jul 2014 | 10 Jul 2014 | 001-09894 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2014 | 21 May 2014 | 001-33988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2014 | 15 May 2014 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Apr 2014 | 10 Apr 2014 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2014 | 14 Feb 2014 | 001-09894 |
| 4 | Open Document | Open Filing | FORM 4 - | 18 Feb 2014 | 03 Feb 2014 | 000-51813 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2014 | 16 Jan 2014 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Nov 2013 | 15 Nov 2013 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Aug 2013 | 15 Aug 2013 | 001-09894 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Jun 2013 | 03 Jun 2013 | 000-51813 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 May 2013 | 22 May 2013 | 001-33988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2013 | 15 May 2013 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2013 | 15 Feb 2013 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Nov 2012 | 15 Nov 2012 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Oct 2012 | 11 Oct 2012 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2012 | 15 Aug 2012 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jul 2012 | 12 Jul 2012 | 001-09894 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 May 2012 | 23 May 2012 | 001-33988 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2012 | 15 May 2012 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Apr 2012 | 12 Apr 2012 | 001-09894 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Feb 2012 | 17 Feb 2012 | 000-51813 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2012 | 15 Feb 2012 | 001-09894 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jan 2012 | 12 Jan 2012 | 001-09894 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2012 | 12 Jan 2012 | 001-09894 |