| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 09 Jun 2025 | 05 Jun 2025 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2025 | 06 May 2025 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2025 | 04 Apr 2025 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2025 | 28 Jan 2025 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2024 | 11 Dec 2024 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2024 | 27 Jun 2024 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2024 | 01 Jul 2024 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jun 2024 | 27 Jun 2024 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jun 2024 | 27 Jun 2024 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jun 2024 | 26 Jun 2024 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2024 | 06 Jun 2024 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2024 | 01 May 2024 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2024 | 01 May 2024 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2023 | 05 Dec 2023 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2023 | 29 Nov 2023 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2023 | 05 Jun 2023 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2023 | 01 May 2023 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2023 | 28 Apr 2023 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2023 | 08 Mar 2023 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2023 | 31 Jan 2023 | 000-12456 |
| 5 | Open Document | Open Filing | FORM 5 | 13 Feb 2023 | 31 Dec 2022 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2022 | 31 Oct 2022 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Oct 2022 | 27 Oct 2022 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2022 | 29 Jul 2022 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2022 | 21 Jun 2022 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2022 | 29 Apr 2022 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2022 | 31 Jan 2022 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jan 2022 | 24 Jan 2022 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2021 | 29 Oct 2021 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Aug 2021 | 30 Jul 2021 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2021 | 21 May 2021 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2021 | 30 Apr 2021 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2021 | 29 Jan 2021 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2021 | 19 Jan 2021 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2020 | 30 Oct 2020 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Oct 2020 | 16 Oct 2020 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2020 | 31 Jul 2020 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 May 2020 | 28 May 2020 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2020 | 30 Apr 2020 | 000-12456 |
| 4/A | Open Document | Open Filing | FORM 4/A | 20 Mar 2020 | 19 Mar 2020 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Mar 2020 | 19 Mar 2020 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2020 | 11 Mar 2020 | 000-12456 |
| 5 | Open Document | Open Filing | FORM 5 | 13 Feb 2020 | 31 Dec 2019 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2020 | 31 Jan 2020 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2019 | 26 Nov 2019 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2019 | 31 Oct 2019 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2019 | 17 Sep 2019 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2019 | 31 Jul 2019 | 000-12456 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jul 2019 | 01 Jul 2019 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2019 | 01 Jul 2019 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jun 2019 | 26 Jun 2019 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2019 | 30 Apr 2019 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2019 | 01 Apr 2019 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Feb 2019 | 19 Feb 2019 | 001-33994 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2019 | 31 Dec 2018 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2019 | 30 Jan 2019 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2019 | 18 Jan 2019 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2019 | 02 Jan 2019 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Dec 2018 | 26 Dec 2018 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Dec 2018 | 20 Dec 2018 | 001-33994 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2018 | 31 Oct 2018 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Sep 2018 | 26 Sep 2018 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2018 | 31 Jul 2018 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jun 2018 | 26 Jun 2018 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2018 | 15 Jun 2018 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2018 | 14 May 2018 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2018 | 30 Apr 2018 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2018 | 02 Mar 2018 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2018 | 14 Feb 2018 | 001-34981 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2018 | 31 Dec 2017 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2018 | 31 Jan 2018 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2018 | 22 Jan 2018 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jan 2018 | 16 Jan 2018 | 001-33994 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Dec 2017 | 20 Dec 2017 | 000-12456 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Nov 2017 | 28 Nov 2017 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Nov 2017 | 28 Nov 2017 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2017 | 31 Oct 2017 | 000-12456 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2017 | 26 Oct 2017 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2017 | 26 Oct 2017 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2017 | 31 Jul 2017 | 000-12456 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2017 | 23 Mar 2017 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jun 2017 | 15 Jun 2017 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2017 | 15 May 2017 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2017 | 28 Apr 2017 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Mar 2017 | 23 Mar 2017 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2017 | 21 Feb 2017 | 001-33994 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2017 | 31 Dec 2016 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2017 | 03 Feb 2017 | 000-12456 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2017 | 23 Jan 2017 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2017 | 20 Jan 2017 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2017 | 19 Jan 2017 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Dec 2016 | 16 Dec 2016 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2016 | 31 Oct 2016 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Oct 2016 | 07 Oct 2016 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2016 | 29 Jul 2016 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jul 2016 | 18 Jul 2016 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2016 | 17 Jun 2016 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2016 | 29 Apr 2016 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Mar 2016 | 22 Mar 2016 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2016 | 24 Feb 2016 | 001-33994 |
| 5/A | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2016 | 31 Dec 2015 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2016 | 29 Jan 2016 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2016 | 29 Jan 2016 | 001-34981 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2016 | 31 Dec 2015 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2016 | 26 Jan 2016 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2016 | 21 Jan 2016 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jan 2016 | 19 Jan 2016 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Nov 2015 | 30 Oct 2015 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Aug 2015 | 31 Jul 2015 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2015 | 20 Jul 2015 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2015 | 29 May 2015 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2015 | 04 May 2015 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2015 | 30 Apr 2015 | 000-12456 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2015 | 31 Dec 2014 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2015 | 30 Jan 2015 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Jan 2015 | 28 Jan 2015 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jan 2015 | 08 Jan 2015 | 001-33994 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2014 | 31 Oct 2014 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Aug 2014 | 31 Jul 2014 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2014 | 18 Jul 2014 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2014 | 30 Apr 2014 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2014 | 25 Apr 2014 | 001-34981 |
| 4/A | Open Document | Open Filing | FORM 4 - AMENDMENT | 27 Mar 2014 | 21 Mar 2014 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Mar 2014 | 21 Mar 2014 | 000-12456 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2014 | 31 Dec 2013 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2014 | 31 Jan 2014 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2014 | 21 Jan 2014 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jan 2014 | 16 Jan 2014 | 001-33994 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2013 | 16 Dec 2013 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2013 | 21 Nov 2013 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2013 | 13 Nov 2013 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2013 | 08 Nov 2013 | 001-34981 |
| 4/A | Open Document | Open Filing | FORM 4 - AMENDMENT | 04 Nov 2013 | 31 Oct 2013 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2013 | 31 Oct 2013 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Sep 2013 | 24 Sep 2013 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2013 | 31 Jul 2013 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2013 | 18 Jul 2013 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jun 2013 | 26 Jun 2013 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2013 | 24 Jun 2013 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2013 | 06 May 2013 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2013 | 03 May 2013 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2013 | 02 May 2013 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2013 | 30 Apr 2013 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2013 | 30 Apr 2013 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2013 | 24 Apr 2013 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2013 | 21 Dec 2012 | 001-34981 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2013 | 31 Dec 2012 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2013 | 31 Jan 2013 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2013 | 30 Jan 2013 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2013 | 29 Jan 2013 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2013 | 28 Jan 2013 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jan 2013 | 10 Jan 2013 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jan 2013 | 09 Jan 2013 | 001-33994 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2012 | 31 Oct 2012 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Oct 2012 | 13 Dec 2011 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Sep 2012 | 20 Sep 2012 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Sep 2012 | 25 Sep 2012 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Sep 2012 | 21 Sep 2012 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2012 | 31 Jul 2012 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jun 2012 | 26 Jun 2012 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jun 2012 | 21 Jun 2012 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2012 | 19 Jun 2012 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2012 | 18 Jun 2012 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2012 | 08 Jun 2012 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2012 | 04 Jun 2012 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2012 | 31 May 2012 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 May 2012 | 29 May 2012 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2012 | 14 Feb 2012 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2012 | 17 May 2012 | 001-34981 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2012 | 03 May 2012 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2012 | 30 Apr 2012 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2012 | 25 Apr 2012 | 001-33994 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Mar 2012 | 27 Mar 2012 | 000-12456 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Mar 2012 | 26 Mar 2012 | 001-33994 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2012 | 31 Jan 2012 | 000-12456 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2012 | 31 Dec 2011 | 001-34981 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jan 2012 | 25 Jan 2012 | 000-12456 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2012 | 19 Jan 2012 | 001-34981 |