| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 19 Jul 2021 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 12 Feb 2021 | ||
| SC 13G | Open Document | Open Filing | SC 13G | 11 Sep 2020 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 23 Dec 2019 | ||
| 13F-NT | Open Document | Open Filing | 06 Nov 2019 | 30 Sep 2019 | 028-14143 | |
| 4 | Open Document | Open Filing | 4 | 21 Aug 2019 | 23 Jul 2019 | 001-36714 |
| 13F-NT | Open Document | Open Filing | 13 Aug 2019 | 30 Jun 2019 | 028-14143 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 08 Aug 2019 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 03 Jun 2019 | ||
| 13F-NT | Open Document | Open Filing | 15 May 2019 | 31 Mar 2019 | 028-14143 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 25 Mar 2019 | ||
| 4 | Open Document | Open Filing | 4 | 15 Mar 2019 | 14 Mar 2019 | 001-36714 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 15 Mar 2019 | ||
| 13F-NT | Open Document | Open Filing | 14 Feb 2019 | 31 Dec 2018 | 028-14143 | |
| 13F-NT | Open Document | Open Filing | 14 Nov 2018 | 30 Sep 2018 | 028-14143 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 05 Oct 2018 | ||
| 13F-NT | Open Document | Open Filing | 14 Aug 2018 | 30 Jun 2018 | 028-14143 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 28 Jun 2018 | ||
| 13F-NT | Open Document | Open Filing | 15 May 2018 | 31 Mar 2018 | 028-14143 | |
| 3 | Open Document | Open Filing | 3 | 02 Apr 2018 | 23 Mar 2018 | 001-36714 |
| SC 13D | Open Document | Open Filing | SC 13D | 02 Apr 2018 | ||
| 13F-NT | Open Document | Open Filing | 14 Feb 2018 | 31 Dec 2017 | 028-14143 | |
| 13F-NT | Open Document | Open Filing | 14 Nov 2017 | 30 Sep 2017 | 028-14143 | |
| 13F-NT | Open Document | Open Filing | 11 Aug 2017 | 30 Jun 2017 | 028-14143 | |
| 13F-NT | Open Document | Open Filing | 15 May 2017 | 31 Mar 2017 | 028-14143 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 02 Mar 2017 | ||
| 13F-NT | Open Document | Open Filing | 14 Feb 2017 | 31 Dec 2016 | 028-14143 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 08 Feb 2017 | ||
| SC 13D/A | Open Document | Open Filing | 02 Dec 2016 | |||
| 13F-NT | Open Document | Open Filing | 14 Nov 2016 | 30 Sep 2016 | 028-14143 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2016 | 08 Nov 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Nov 2016 | 04 Nov 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Nov 2016 | 02 Nov 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2016 | 31 Oct 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2016 | 27 Oct 2016 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 31 Oct 2016 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2016 | 25 Oct 2016 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 27 Oct 2016 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Oct 2016 | 21 Oct 2016 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 24 Oct 2016 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Oct 2016 | 19 Oct 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Oct 2016 | 17 Oct 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Oct 2016 | 13 Oct 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Oct 2016 | 11 Oct 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Oct 2016 | 06 Oct 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Oct 2016 | 04 Oct 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Oct 2016 | 30 Sep 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Sep 2016 | 28 Sep 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Sep 2016 | 26 Sep 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Sep 2016 | 22 Sep 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Sep 2016 | 20 Sep 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Sep 2016 | 16 Sep 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Sep 2016 | 14 Sep 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Sep 2016 | 12 Sep 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Sep 2016 | 08 Sep 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Sep 2016 | 08 Sep 2016 | 000-52170 |
| SC 13D/A | Open Document | Open Filing | 08 Sep 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Sep 2016 | 06 Sep 2016 | 000-50129 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Sep 2016 | 31 Aug 2016 | 000-52170 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 06 Sep 2016 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2016 | 31 Aug 2016 | 000-52170 |
| SC 13D/A | Open Document | Open Filing | 02 Sep 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2016 | 29 Aug 2016 | 000-52170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Aug 2016 | 25 Aug 2016 | 000-52170 |
| SC 13D/A | Open Document | Open Filing | 26 Aug 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Aug 2016 | 23 Aug 2016 | 000-52170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Aug 2016 | 19 Aug 2016 | 000-52170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Aug 2016 | 17 Aug 2016 | 000-52170 |
| SC 13D/A | Open Document | Open Filing | 17 Aug 2016 | |||
| 13F-NT | Open Document | Open Filing | 12 Aug 2016 | 30 Jun 2016 | 028-14143 | |
| SC 13D/A | Open Document | Open Filing | 09 Aug 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jul 2016 | 27 Jul 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2016 | 25 Jul 2016 | 000-50129 |
| SC 13D/A | Open Document | Open Filing | 25 Jul 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jul 2016 | 19 Jul 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jul 2016 | 15 Jul 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jul 2016 | 13 Jul 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2016 | 30 Jun 2016 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jun 2016 | 22 Jun 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2016 | 20 Jun 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jun 2016 | 09 Jun 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2016 | 07 Jun 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jun 2016 | 03 Jun 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2016 | 01 Jun 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2016 | 27 May 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2016 | 25 May 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2016 | 11 May 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2016 | 11 May 2016 | 001-36506 |
| 13F-NT | Open Document | Open Filing | 13 May 2016 | 31 Mar 2016 | 028-14143 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2016 | 09 May 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2016 | 09 May 2016 | 001-36506 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2016 | 05 May 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2016 | 04 May 2016 | 001-36506 |
| SC 13D/A | Open Document | Open Filing | 06 May 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2016 | 28 Apr 2016 | 001-36506 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2016 | 27 Apr 2016 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2016 | 26 Apr 2016 | 001-36506 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2016 | 31 Mar 2016 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | 30 Mar 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2016 | 11 Mar 2016 | 001-36506 |
| SC 13D/A | Open Document | Open Filing | 15 Mar 2016 | |||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2016 | 09 Mar 2016 | 001-36506 |
| SC 13D/A | Open Document | Open Filing | 10 Mar 2016 | |||
| SC 13D/A | Open Document | Open Filing | 08 Mar 2016 | |||
| SC 13D/A | Open Document | Open Filing | 01 Mar 2016 | |||
| 13F-NT | Open Document | Open Filing | 19 Feb 2016 | 31 Dec 2015 | 028-14143 | |
| SC 13D | Open Document | Open Filing | 01 Feb 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2016 | 31 Dec 2015 | 001-07234 |
| 13F-NT | Open Document | Open Filing | 16 Nov 2015 | 30 Sep 2015 | 028-14143 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2015 | 30 Sep 2015 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | 28 Aug 2015 | |||
| 13F-NT | Open Document | Open Filing | 14 Aug 2015 | 30 Jun 2015 | 028-14143 | |
| SC 13D/A | Open Document | Open Filing | 07 Aug 2015 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2015 | 30 Jun 2015 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2015 | 03 Jun 2015 | 000-52170 |
| 13F-NT | Open Document | Open Filing | 15 May 2015 | 31 Mar 2015 | 028-14143 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2015 | 31 Mar 2015 | 001-07234 |
| 13F-NT | Open Document | Open Filing | 17 Feb 2015 | 31 Dec 2014 | 028-14143 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2015 | 31 Dec 2014 | 001-07234 |
| 13F-NT | Open Document | Open Filing | 14 Nov 2014 | 30 Sep 2014 | 028-14143 | |
| SC 13D | Open Document | Open Filing | 27 Oct 2014 | |||
| SC 13D/A | Open Document | Open Filing | 16 Oct 2014 | |||
| SC 13D/A | Open Document | Open Filing | 07 Oct 2014 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2014 | 30 Sep 2014 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | 03 Sep 2014 | |||
| 13F-NT | Open Document | Open Filing | 14 Aug 2014 | 30 Jun 2014 | 028-14143 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2014 | 30 Jun 2014 | 001-07234 |
| SC 13D | Open Document | Open Filing | 30 Jun 2014 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2014 | 13 Jun 2014 | 000-52170 |
| SC 13D/A | Open Document | Open Filing | 21 May 2014 | |||
| 13F-NT | Open Document | Open Filing | 15 May 2014 | 31 Mar 2014 | 028-14143 | |
| SC 13D/A | Open Document | Open Filing | 01 May 2014 | |||
| SC 13D/A | Open Document | Open Filing | 23 Apr 2014 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2014 | 31 Mar 2014 | 001-07234 |
| 13F-NT | Open Document | Open Filing | 14 Feb 2014 | 31 Dec 2013 | 028-14143 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2014 | 31 Dec 2013 | 001-07234 |
| SC 13D | Open Document | Open Filing | 16 Dec 2013 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2013 | 06 Dec 2013 | 000-52170 |
| SC 13D/A | Open Document | Open Filing | 06 Dec 2013 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2013 | 04 Dec 2013 | 000-52170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2013 | 03 Dec 2013 | 000-52170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2013 | 20 Nov 2013 | 000-52170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Nov 2013 | 18 Nov 2013 | 000-52170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2013 | 15 Nov 2013 | 000-52170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2013 | 13 Nov 2013 | 000-52170 |
| 13F-NT | Open Document | Open Filing | 14 Nov 2013 | 30 Sep 2013 | 028-14143 | |
| SC 13D/A | Open Document | Open Filing | 13 Nov 2013 | |||
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2013 | 11 Nov 2013 | 000-52170 |
| 3 | Open Document | Open Filing | FORM 3 | 12 Nov 2013 | 08 Nov 2013 | 000-52170 |
| SC 13D/A | Open Document | Open Filing | 11 Oct 2013 | |||
| SC 13D/A | Open Document | Open Filing | 11 Oct 2013 | |||
| SC 13D/A | Open Document | Open Filing | 11 Oct 2013 | |||
| SC 13D/A | Open Document | Open Filing | 11 Oct 2013 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2013 | 30 Sep 2013 | 001-07234 |
| 13F-NT | Open Document | Open Filing | 14 Aug 2013 | 30 Jun 2013 | 028-14143 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2013 | 28 Jun 2013 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | 16 May 2013 | |||
| 13F-NT | Open Document | Open Filing | NONE | 15 May 2013 | 31 Mar 2013 | 028-14143 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2013 | 28 Mar 2013 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | 12 Mar 2013 | |||
| SC 13D/A | Open Document | Open Filing | 04 Mar 2013 | |||
| SC 13D/A | Open Document | Open Filing | 19 Feb 2013 | |||
| 13F-NT | Open Document | Open Filing | NONE | 14 Feb 2013 | 31 Dec 2012 | 028-14143 |
| SC 13D/A | Open Document | Open Filing | 25 Jan 2013 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jan 2013 | 11 Jan 2013 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2012 | 14 Dec 2012 | 000-50129 |
| SC 13D/A | Open Document | Open Filing | 04 Dec 2012 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2012 | 26 Nov 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2012 | 16 Nov 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2012 | 15 Nov 2012 | 000-50129 |
| 13F-NT | Open Document | Open Filing | NONE | 15 Nov 2012 | 30 Sep 2012 | 028-14143 |
| SC 13D | Open Document | Open Filing | 01 Nov 2012 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Oct 2012 | 26 Oct 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Oct 2012 | 23 Oct 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Oct 2012 | 19 Oct 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Oct 2012 | 18 Oct 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2012 | 12 Oct 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Oct 2012 | 08 Oct 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2012 | 01 Oct 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2012 | 28 Sep 2012 | 000-50129 |
| SC 13D/A | Open Document | Open Filing | 26 Sep 2012 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Sep 2012 | 24 Sep 2012 | 000-50129 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Sep 2012 | 20 Sep 2012 | 000-20260 |
| SC 13D/A | Open Document | Open Filing | 24 Sep 2012 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Sep 2012 | 21 Sep 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2012 | 14 Sep 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Sep 2012 | 07 Sep 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2012 | 30 Aug 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Aug 2012 | 28 Aug 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2012 | 24 Aug 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2012 | 23 Aug 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Aug 2012 | 17 Aug 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2012 | 15 Aug 2012 | 000-50129 |
| 13F-NT | Open Document | Open Filing | NONE | 14 Aug 2012 | 30 Jun 2012 | 028-14143 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2012 | 01 Aug 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2012 | 30 Jul 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2012 | 27 Jul 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2012 | 25 Jul 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jul 2012 | 24 Jul 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jul 2012 | 23 Jul 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jul 2012 | 19 Jul 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jul 2012 | 20 Jul 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jul 2012 | 17 Jul 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jul 2012 | 11 Jul 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jul 2012 | 12 Jul 2012 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | 12 Jul 2012 | |||
| 3 | Open Document | Open Filing | FORM 3 | 11 Jul 2012 | 10 Jun 2012 | 000-20260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jul 2012 | 09 Jul 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jul 2012 | 06 Jul 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2012 | 05 Jul 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2012 | 02 Jul 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2012 | 29 Jun 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jun 2012 | 27 Jun 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jun 2012 | 27 Jun 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jun 2012 | 25 Jun 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jun 2012 | 25 Jun 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jun 2012 | 22 Jun 2012 | 000-50129 |
| SC 13D/A | Open Document | Open Filing | 25 Jun 2012 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jun 2012 | 22 Jun 2012 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jun 2012 | 20 Jun 2012 | 000-50129 |
| 3 | Open Document | Open Filing | FORM 3 | 22 Jun 2012 | 19 Jun 2012 | 000-50129 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2012 | 20 Jun 2012 | 001-07234 |
| SC 13D | Open Document | Open Filing | 20 Jun 2012 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2012 | 18 Jun 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2012 | 15 Jun 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2012 | 13 Jun 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jun 2012 | 11 Jun 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2012 | 08 Jun 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2012 | 06 Jun 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jun 2012 | 04 Jun 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2012 | 01 Jun 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2012 | 30 May 2012 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | 31 May 2012 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2012 | 29 May 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 May 2012 | 25 May 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2012 | 23 May 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2012 | 21 May 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2012 | 18 May 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2012 | 16 May 2012 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2012 | 15 May 2012 | 000-14800 |
| SC 13D/A | Open Document | Open Filing | 17 May 2012 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2012 | 14 May 2012 | 001-07234 |
| 13F-NT | Open Document | Open Filing | NONE | 15 May 2012 | 31 Mar 2012 | 028-14143 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2012 | 11 May 2012 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | 14 May 2012 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2012 | 10 May 2012 | 001-07234 |
| SC 13D | Open Document | Open Filing | 19 Apr 2012 | |||
| SC 13D/A | Open Document | Open Filing | 12 Apr 2012 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2012 | 30 Mar 2012 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | 21 Feb 2012 | |||
| 13F-NT | Open Document | Open Filing | NONE | 14 Feb 2012 | 31 Dec 2011 | 028-14143 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jan 2012 | 23 Jan 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2012 | 20 Jan 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2012 | 18 Jan 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jan 2012 | 13 Jan 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2012 | 12 Jan 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2012 | 09 Jan 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jan 2012 | 06 Jan 2012 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2012 | 04 Jan 2012 | 001-07234 |
| SC 13D/A | Open Document | Open Filing | 04 Jan 2012 | |||
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2012 | 30 Dec 2011 | 001-07234 |