| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 19 Mar 2024 | 15 Mar 2024 | 001-14027 | |
| 4 | Open Document | Open Filing | 12 Mar 2024 | 11 Mar 2024 | 001-14027 | |
| 4 | Open Document | Open Filing | 11 Aug 2023 | 10 Aug 2023 | 001-14027 | |
| 4 | Open Document | Open Filing | 14 Mar 2023 | 10 Mar 2023 | 001-14027 | |
| 4 | Open Document | Open Filing | 10 Mar 2023 | 09 Mar 2023 | 001-14027 | |
| 4 | Open Document | Open Filing | 11 Aug 2022 | 10 Aug 2022 | 001-14027 | |
| 4 | Open Document | Open Filing | 15 Mar 2022 | 11 Mar 2022 | 001-14027 | |
| 4 | Open Document | Open Filing | 14 Mar 2022 | 11 Mar 2022 | 001-14027 | |
| 4 | Open Document | Open Filing | 11 Mar 2022 | 09 Mar 2022 | 001-14027 | |
| 4 | Open Document | Open Filing | 13 Aug 2021 | 11 Aug 2021 | 001-14027 | |
| 4 | Open Document | Open Filing | 12 Aug 2021 | 10 Aug 2021 | 001-14027 | |
| 4 | Open Document | Open Filing | 11 Mar 2021 | 09 Mar 2021 | 001-14027 | |
| 4 | Open Document | Open Filing | 12 Aug 2020 | 10 Aug 2020 | 001-14027 | |
| 3 | Open Document | Open Filing | 12 Aug 2020 | 10 Aug 2020 | 001-14027 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2019 | 27 Feb 2019 | 001-33462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2019 | 22 Feb 2019 | 001-33462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2019 | 14 Feb 2019 | 001-33462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2018 | 04 May 2018 | 001-33462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2018 | 24 Feb 2018 | 001-33462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2018 | 22 Feb 2018 | 001-33462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Feb 2018 | 13 Feb 2018 | 001-33462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2017 | 22 Feb 2017 | 001-33462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2016 | 04 May 2016 | 001-33462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2016 | 24 Feb 2016 | 001-33462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2015 | 04 May 2015 | 001-33462 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2015 | 04 May 2015 | 001-33462 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2015 | 02 Apr 2015 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2015 | 01 Apr 2015 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Mar 2015 | 18 Mar 2015 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2015 | 04 Mar 2015 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Feb 2015 | 18 Feb 2015 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Feb 2015 | 04 Feb 2015 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jan 2015 | 21 Jan 2015 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Sep 2014 | 08 Sep 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jul 2014 | 09 Jul 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jul 2014 | 02 Jul 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Jun 2014 | 25 Jun 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jun 2014 | 18 Jun 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jun 2014 | 11 Jun 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2014 | 21 May 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2014 | 14 May 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 May 2014 | 07 May 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 May 2014 | 30 Apr 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Apr 2014 | 23 Apr 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Apr 2014 | 16 Apr 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Apr 2014 | 09 Apr 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2014 | 02 Apr 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Mar 2014 | 26 Mar 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Mar 2014 | 19 Mar 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Mar 2014 | 12 Mar 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2014 | 05 Mar 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Feb 2014 | 26 Feb 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Feb 2014 | 19 Feb 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Feb 2014 | 12 Feb 2014 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Dec 2013 | 20 Dec 2013 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2013 | 15 Nov 2013 | 000-06715 |
| 4 | Open Document | Open Filing | FROM 4 | 21 Oct 2013 | 18 Oct 2013 | 000-06715 |
| 4/A | Open Document | Open Filing | FORM 4/A | 21 Oct 2013 | 20 Sep 2013 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Sep 2013 | 20 Sep 2013 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Sep 2013 | 09 Sep 2013 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Aug 2013 | 16 Aug 2013 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jul 2013 | 19 Jul 2013 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Jun 2013 | 21 Jun 2013 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2013 | 17 May 2013 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jan 2013 | 15 Jan 2013 | 000-06715 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Sep 2012 | 10 Sep 2012 | 000-06715 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jul 2012 | 17 Jul 2012 | 000-06715 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Apr 2012 | 23 Jan 2012 | 000-06715 |