| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2022 | 03 Jun 2022 | 001-07094 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2021 | 04 Jun 2021 | 001-07094 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2020 | 07 Aug 2020 | 001-07094 |
| 4 | Open Document | Open Filing | FORM 4 | 29 May 2020 | 29 May 2020 | 001-07094 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Oct 2019 | 28 Oct 2019 | 001-07094 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2019 | 31 May 2019 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2018 | 30 May 2018 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2017 | 04 Dec 2017 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2017 | 09 Jun 2017 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2017 | 18 May 2017 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Apr 2017 | 25 Apr 2017 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2016 | 08 Dec 2016 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Aug 2016 | 10 Aug 2016 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jun 2016 | 22 Jun 2016 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2016 | 03 Jun 2016 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2016 | 06 May 2016 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2016 | 04 May 2016 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2016 | 31 Mar 2016 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2016 | 02 Mar 2016 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2016 | 26 Jan 2016 | 000-03683 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2016 | 01 Jan 2016 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2015 | 05 Mar 2015 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2015 | 23 Feb 2015 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2015 | 17 Feb 2015 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2015 | 27 Jan 2015 | 000-03683 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2015 | 01 Jan 2015 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Apr 2014 | 21 Apr 2014 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2014 | 06 Mar 2014 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2014 | 18 Feb 2014 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2014 | 28 Jan 2014 | 000-03683 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2014 | 01 Jan 2014 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2013 | 02 May 2013 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2013 | 18 Mar 2013 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2013 | 07 Mar 2013 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2013 | 22 Jan 2013 | 000-03683 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Dec 2012 | 19 Dec 2012 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2012 | 13 Dec 2012 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2012 | 28 Aug 2012 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2012 | 07 Mar 2012 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2012 | 17 Feb 2012 | 001-07094 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jan 2012 | 24 Jan 2012 | 000-03683 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2012 | 01 Jan 2012 | 001-07094 |