| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 21 Apr 2025 | 17 Apr 2025 | 001-06880 | |
| 4 | Open Document | Open Filing | 18 Jul 2024 | 16 Jul 2024 | 001-06880 | |
| 3 | Open Document | Open Filing | 18 Jul 2024 | 16 Jul 2024 | 001-06880 | |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 09 Jan 2019 | 04 Jan 2019 | 001-34139 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Apr 2018 | 23 Apr 2018 | 001-08918 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2018 | 13 Feb 2018 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2018 | 21 Feb 2018 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2018 | 15 Feb 2018 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Feb 2018 | 13 Feb 2018 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2018 | 09 Feb 2018 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2017 | 30 Nov 2017 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2017 | 21 Feb 2017 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2017 | 15 Feb 2017 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2017 | 09 Feb 2017 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2016 | 18 Nov 2016 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2016 | 27 Oct 2016 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2016 | 27 Apr 2016 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Feb 2016 | 26 Feb 2016 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2016 | 19 Feb 2016 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2016 | 12 Feb 2016 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2016 | 09 Feb 2016 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jan 2016 | 25 Jan 2016 | 001-08918 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jan 2016 | 26 Apr 2011 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2015 | 25 Aug 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2015 | 26 Feb 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2015 | 20 Feb 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2015 | 17 Feb 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2015 | 13 Feb 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2015 | 10 Feb 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2015 | 22 Jan 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2014 | 31 Mar 2014 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2014 | 26 Feb 2014 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2014 | 21 Feb 2014 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2014 | 14 Feb 2014 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2014 | 14 Feb 2014 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2014 | 07 Feb 2014 | 001-08918 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2014 | 20 Apr 2013 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2014 | 20 Apr 2013 | 001-08918 |