| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Aug 2025 | 19 Aug 2025 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2025 | 18 Jun 2025 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2025 | 08 May 2025 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2025 | 15 Jan 2025 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Aug 2022 | 20 Jan 2022 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2021 | 06 Dec 2021 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Aug 2021 | 27 Aug 2021 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2021 | 27 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Dec 2020 | 27 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2019 | 27 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2019 | 27 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2019 | 27 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Sep 2018 | 27 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2018 | 27 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2018 | 27 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2018 | 27 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2017 | 08 Dec 2017 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2017 | 27 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2016 | 17 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2016 | 17 Dec 2007 | 000-51866 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2015 | 14 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2015 | 14 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Sep 2015 | 14 Dec 2007 | 000-51866 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 04 Mar 2015 | ||
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Nov 2014 | 14 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Nov 2014 | 14 Dec 2007 | 000-51866 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2014 | 14 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2014 | 14 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Nov 2013 | 14 Dec 2007 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Nov 2013 | 14 Dec 2007 | 000-51866 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 20 Feb 2013 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Sep 2012 | 26 Sep 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2012 | 14 Sep 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2012 | 24 Aug 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Aug 2012 | 07 Aug 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2012 | 27 Jul 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2012 | 26 Jun 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2012 | 22 Jun 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2012 | 15 Jun 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2012 | 24 May 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Apr 2012 | 23 Apr 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Apr 2012 | 17 Apr 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Apr 2012 | 12 Apr 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2012 | 05 Apr 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Mar 2012 | 27 Mar 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2012 | 05 Mar 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2012 | 02 Mar 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2012 | 01 Mar 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Feb 2012 | 28 Feb 2012 | 000-51866 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2012 | 02 Feb 2012 | 000-51866 |