| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2022 | 12 May 2022 | 001-11796 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2021 | 13 May 2021 | 001-11796 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2020 | 14 May 2020 | 001-11796 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2019 | 14 May 2019 | 001-11796 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2018 | 10 May 2018 | 001-11796 |
| 3 | Open Document | Open Filing | FORM 3 | 27 Feb 2018 | 26 Feb 2018 | 001-11796 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2015 | 27 Feb 2015 | 001-35339 |
| 5 | Open Document | Open Filing | FORM 5 | 23 Jan 2015 | 31 Dec 2014 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jul 2014 | 16 Jul 2014 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jul 2014 | 02 Jul 2014 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jun 2014 | 16 Jun 2014 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2014 | 02 Jun 2014 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2014 | 20 May 2014 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2014 | 05 May 2014 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2014 | 24 Apr 2014 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Apr 2014 | 10 Apr 2014 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Mar 2014 | 27 Mar 2014 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2014 | 11 Mar 2014 | 001-35339 |
| SC 13G/A | Open Document | Open Filing | FORM SC 13G/A | 05 Mar 2014 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Feb 2014 | 24 Feb 2014 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Feb 2014 | 13 Feb 2014 | 001-35339 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 14 Feb 2014 | 31 Dec 2013 | 001-35339 |
| SC 13G/A | Open Document | Open Filing | FORM SC 13G/A | 14 Feb 2014 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Jan 2014 | 29 Jan 2014 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jan 2014 | 15 Jan 2014 | 001-35339 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 14 Jan 2014 | 21 May 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Dec 2013 | 30 Dec 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Dec 2013 | 09 Dec 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Nov 2013 | 25 Nov 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Nov 2013 | 14 Nov 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Nov 2013 | 31 Oct 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Oct 2013 | 17 Oct 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Oct 2013 | 30 Sep 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Sep 2013 | 19 Sep 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Aug 2013 | 26 Aug 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Aug 2013 | 15 Aug 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Aug 2013 | 15 Aug 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Jul 2013 | 29 Jul 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jul 2013 | 16 Jul 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jul 2013 | 02 Jul 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jun 2013 | 17 Jun 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jun 2013 | 06 Jun 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 May 2013 | 21 May 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 May 2013 | 30 Apr 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Apr 2013 | 15 Apr 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Apr 2013 | 02 Apr 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Mar 2013 | 27 Mar 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Mar 2013 | 19 Mar 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2013 | 07 Mar 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Feb 2013 | 19 Feb 2013 | 001-35339 |
| SC 13G/A | Open Document | Open Filing | FORM SC 13G/A | 15 Feb 2013 | ||
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 14 Feb 2013 | 31 Dec 2012 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Feb 2013 | 05 Feb 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Jan 2013 | 22 Jan 2013 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jan 2013 | 09 Jan 2013 | 001-35339 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Dec 2012 | 27 Dec 2012 | 001-35339 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jul 2012 | 19 Jul 2012 | 000-21671 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Jun 2012 | 12 Jun 2012 | 001-35339 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2012 | 21 May 2012 | 001-35339 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2012 | 23 Feb 2012 | 001-35339 |
| SC 13G | Open Document | Open Filing | FORM SC13G | 13 Feb 2012 |