| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | 4/A | 06 May 2025 | 03 May 2024 | 000-26966 |
| 4/A | Open Document | Open Filing | 4/A | 06 May 2025 | 05 May 2023 | 000-26966 |
| 4/A | Open Document | Open Filing | 4/A | 06 May 2025 | 09 May 2022 | 000-26966 |
| 4 | Open Document | Open Filing | 4 | 06 May 2025 | 02 May 2025 | 000-26966 |
| 4 | Open Document | Open Filing | 4 | 06 Nov 2024 | 04 Nov 2024 | 000-26966 |
| 144 | Open Document | Open Filing | 04 Nov 2024 | |||
| 4 | Open Document | Open Filing | 4 | 07 May 2024 | 03 May 2024 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 May 2023 | 05 May 2023 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2022 | 09 May 2022 | 000-26966 |
| 4 | Open Document | Open Filing | 28 Mar 2022 | 28 Mar 2022 | 001-39585 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2021 | 30 Apr 2021 | 000-26966 |
| 3 | Open Document | Open Filing | 05 Oct 2020 | 05 Oct 2020 | 001-39585 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2020 | 30 Apr 2020 | 000-26966 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 10 Jun 2019 | 04 Jun 2019 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jun 2019 | 04 Jun 2019 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2019 | 01 Feb 2019 | 000-12853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Feb 2019 | 01 Feb 2019 | 001-38275 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2018 | 09 Aug 2018 | 000-12853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2018 | 31 May 2018 | 001-38275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 May 2018 | 03 May 2018 | 000-26966 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 14 Nov 2017 | 14 Nov 2017 | 001-38275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Nov 2017 | 10 Nov 2017 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2017 | 10 Aug 2017 | 000-12853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 May 2017 | 04 May 2017 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Dec 2016 | 11 Nov 2016 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Aug 2016 | 18 Aug 2016 | 000-12853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 May 2016 | 05 May 2016 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2016 | 07 Mar 2016 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2016 | 16 Feb 2016 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2015 | 15 Dec 2015 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2015 | 16 Nov 2015 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Oct 2015 | 15 Oct 2015 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Oct 2015 | 15 Oct 2015 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Sep 2015 | 17 Sep 2015 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Sep 2015 | 15 Sep 2015 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Sep 2015 | 15 Sep 2015 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Aug 2015 | 17 Aug 2015 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2015 | 17 Aug 2015 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2015 | 29 Jul 2015 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jul 2015 | 15 Jul 2015 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jun 2015 | 15 Jun 2015 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2015 | 15 May 2015 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2015 | 14 May 2015 | 000-12853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2015 | 07 May 2015 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Apr 2015 | 15 Apr 2015 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Mar 2015 | 16 Mar 2015 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2015 | 18 Feb 2015 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Feb 2015 | 17 Feb 2015 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2015 | 06 Feb 2015 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2015 | 29 Jan 2015 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Jan 2015 | 15 Jan 2015 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jan 2015 | 15 Jan 2015 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Dec 2014 | 22 Dec 2014 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2014 | 15 Dec 2014 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2014 | 15 Dec 2014 | 000-12853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Dec 2014 | 15 Dec 2014 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2014 | 17 Nov 2014 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Nov 2014 | 17 Nov 2014 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Oct 2014 | 15 Oct 2014 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Sep 2014 | 15 Sep 2014 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Sep 2014 | 15 Sep 2014 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Sep 2014 | 12 Sep 2014 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2014 | 03 Sep 2014 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Aug 2014 | 27 Aug 2014 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Aug 2014 | 15 Aug 2014 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2014 | 15 Aug 2014 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jul 2014 | 15 Jul 2014 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jul 2014 | 15 Jul 2014 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2014 | 01 Jul 2014 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2014 | 16 Jun 2014 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2014 | 16 Jun 2014 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2014 | 10 Jun 2014 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2014 | 15 May 2014 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2014 | 15 May 2014 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2014 | 15 May 2014 | 000-12853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 May 2014 | 07 May 2014 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Apr 2014 | 15 Apr 2014 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2014 | 15 Apr 2014 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Mar 2014 | 17 Mar 2014 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2014 | 17 Mar 2014 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2014 | 13 Mar 2014 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2014 | 13 Mar 2014 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2014 | 18 Feb 2014 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Feb 2014 | 18 Feb 2014 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2014 | 29 Jan 2014 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jan 2014 | 15 Jan 2014 | 001-35909 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Jan 2014 | 15 Jan 2014 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Dec 2013 | 16 Dec 2013 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2013 | 16 Dec 2013 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2013 | 12 Dec 2013 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2013 | 04 Dec 2013 | 000-12853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Nov 2013 | 15 Nov 2013 | 000-26966 |
| 4 | Open Document | Open Filing | 4 | 18 Sep 2013 | 18 Sep 2013 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2013 | 03 Sep 2013 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jun 2013 | 19 Jun 2013 | 000-12853 |
| 3 | Open Document | Open Filing | 3 | 16 May 2013 | 16 May 2013 | 001-35909 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2013 | 09 May 2013 | 000-12853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 May 2013 | 01 May 2013 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2013 | 14 Mar 2013 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2013 | 30 Jan 2013 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Dec 2012 | 27 Dec 2012 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2012 | 05 Dec 2012 | 000-12853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Dec 2012 | 02 May 2012 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Sep 2012 | 10 Sep 2012 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2012 | 18 Jun 2012 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2012 | 10 May 2012 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2012 | 17 Feb 2012 | 000-12853 |