| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2021 | 25 May 2021 | 001-32845 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Jul 2020 | 24 Jul 2020 | 001-32845 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jun 2020 | 09 Jun 2020 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2020 | 13 Feb 2020 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2020 | 12 Feb 2020 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2019 | 11 Jun 2019 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2018 | 12 Jun 2018 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2018 | 16 Mar 2018 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2018 | 15 Mar 2018 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2018 | 14 Mar 2018 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2018 | 13 Mar 2018 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2018 | 12 Mar 2018 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2018 | 07 Mar 2018 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2018 | 07 Mar 2018 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2018 | 06 Mar 2018 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2018 | 26 Feb 2018 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Dec 2017 | 15 Dec 2017 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jun 2017 | 13 Jun 2017 | 001-32845 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Jun 2016 | 30 Jun 2016 | 001-32845 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Jun 2016 | 08 Jun 2016 | 001-32845 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Jun 2015 | 15 Jun 2015 | 001-32845 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 May 2015 | 29 May 2015 | 001-32845 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 May 2015 | 28 May 2015 | 001-32845 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Jul 2014 | 10 Jul 2014 | 001-32845 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Jul 2014 | 02 Jul 2014 | 001-32845 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Jun 2014 | 19 Jun 2014 | 001-32845 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2013 | 07 Jun 2013 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2013 | 07 Jun 2013 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jun 2013 | 07 Jun 2013 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2013 | 17 May 2013 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Apr 2013 | 24 Apr 2013 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2012 | 07 Jun 2012 | 001-32845 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2012 | 23 Feb 2012 | 001-32845 |