| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2022 | 16 Mar 2022 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2022 | 14 Mar 2022 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2022 | 08 Mar 2022 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2021 | 16 Dec 2021 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2021 | 03 Dec 2021 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2021 | 16 Sep 2021 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Sep 2021 | 03 Sep 2021 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2021 | 16 Jun 2021 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Mar 2021 | 04 Mar 2021 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2021 | 16 Mar 2021 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2021 | 09 Mar 2021 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2020 | 16 Dec 2020 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2020 | 16 Sep 2020 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2020 | 16 Jun 2020 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Mar 2020 | 27 Mar 2020 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Mar 2020 | 25 Mar 2020 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2020 | 17 Mar 2020 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Dec 2019 | 17 Dec 2019 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2019 | 17 Sep 2019 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2019 | 18 Jun 2019 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2019 | 07 Mar 2019 | 001-35667 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Sep 2018 | 04 Sep 2018 | 001-35667 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Aug 2018 | 06 Aug 2018 | 001-35667 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Mar 2016 | 27 Mar 2016 | 000-50646 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2016 | 26 Feb 2016 | 000-50646 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Feb 2016 | 22 Feb 2016 | 000-50646 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2016 | 18 Feb 2016 | 000-50646 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Oct 2015 | 30 Oct 2015 | 000-50646 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Apr 2015 | 23 Apr 2015 | 000-50646 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Mar 2015 | 27 Mar 2015 | 000-50646 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2015 | 27 Feb 2015 | 000-50646 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2015 | 24 Feb 2015 | 000-50646 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Feb 2015 | 22 Feb 2015 | 000-50646 |
| 4/A | Open Document | Open Filing | FORM 4/A | 17 Feb 2015 | 19 Feb 2014 | 000-50646 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Feb 2015 | 11 Feb 2015 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2014 | 28 Feb 2014 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2014 | 25 Feb 2014 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2014 | 22 Feb 2014 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2014 | 19 Feb 2014 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2014 | 14 Feb 2014 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Dec 2013 | 20 Dec 2013 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2013 | 31 Jul 2013 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2013 | 22 May 2013 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2013 | 26 Feb 2013 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2013 | 24 Feb 2013 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2012 | 26 Oct 2012 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2012 | 31 Jul 2012 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2012 | 24 Feb 2012 | 000-50646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2012 | 22 Feb 2012 | 000-33213 |