| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Apr 2022 | 08 Apr 2022 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Apr 2022 | 08 Apr 2022 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Apr 2021 | 20 Apr 2021 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Apr 2021 | 20 Apr 2021 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Oct 2020 | 14 Oct 2020 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Oct 2020 | 14 Oct 2020 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2020 | 09 Apr 2020 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2020 | 09 Apr 2020 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Apr 2019 | 17 Apr 2019 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Apr 2019 | 17 Apr 2019 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2018 | 11 Apr 2018 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2018 | 11 Apr 2018 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2018 | 22 Jan 2018 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2018 | 22 Jan 2018 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2017 | 13 Apr 2017 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2017 | 13 Apr 2017 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Apr 2017 | 06 Apr 2017 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Apr 2017 | 06 Apr 2017 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Apr 2016 | 14 Apr 2016 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Apr 2016 | 14 Apr 2016 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2016 | 01 Apr 2016 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2016 | 01 Apr 2016 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jul 2015 | 17 Jul 2015 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jul 2015 | 17 Jul 2015 | 001-09610 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 May 2015 | 07 May 2015 | 001-15136 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 May 2015 | 07 May 2015 | 001-09610 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 May 2015 | 07 May 2015 | 001-15136 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 May 2015 | 07 May 2015 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Apr 2015 | 14 Apr 2015 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Apr 2015 | 14 Apr 2015 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Apr 2014 | 17 Apr 2014 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Apr 2014 | 17 Apr 2014 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2013 | 22 May 2013 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2013 | 22 May 2013 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Sep 2012 | 27 Sep 2012 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Sep 2012 | 27 Sep 2012 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2012 | 11 Apr 2012 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2012 | 11 Apr 2012 | 001-09610 |