| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2021 | 11 May 2021 | 001-13323 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2020 | 05 May 2020 | 001-13323 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2019 | 07 May 2019 | 001-13323 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Nov 2018 | 05 Nov 2018 | 001-13323 |
| 3 | Open Document | Open Filing | FORM 3 | 06 Nov 2018 | 05 Nov 2018 | 001-13323 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2018 | 07 Jun 2018 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2017 | 15 Nov 2017 | 001-16167 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2017 | 26 Oct 2017 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2017 | 26 Oct 2017 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Oct 2017 | 16 Oct 2017 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2016 | 15 Nov 2016 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Oct 2016 | 17 Oct 2016 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2015 | 23 Nov 2015 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2015 | 26 Oct 2015 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Oct 2015 | 26 Oct 2015 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Sep 2015 | 24 Sep 2015 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2014 | 17 Nov 2014 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Oct 2014 | 27 Oct 2014 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2014 | 14 Oct 2014 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2014 | 31 Aug 2014 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2013 | 11 Nov 2013 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Oct 2013 | 21 Oct 2013 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Oct 2013 | 07 Oct 2013 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2013 | 31 Aug 2013 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Oct 2012 | 16 Oct 2012 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2012 | 02 Jul 2012 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 May 2012 | 24 May 2012 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2012 | 16 Feb 2012 | 001-16167 |