| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | 02 Jun 2021 | 02 Jun 2021 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Apr 2021 | 01 Apr 2021 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Feb 2021 | 01 Feb 2021 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Apr 2020 | 01 Apr 2020 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Feb 2020 | 01 Feb 2020 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Aug 2019 | 15 Aug 2019 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Jun 2019 | 05 Jun 2019 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 25 Mar 2019 | 21 Mar 2019 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Aug 2018 | 06 Aug 2018 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Jun 2018 | 06 Jun 2018 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Apr 2018 | 14 Mar 2018 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Aug 2017 | 18 Aug 2017 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Aug 2017 | 08 Aug 2017 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Aug 2017 | 06 Aug 2017 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Jun 2017 | 08 Jun 2017 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 Aug 2016 | 06 Aug 2016 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Jun 2016 | 09 Jun 2016 | 001-35155 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2016 | 12 May 2016 | 000-51134 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Aug 2015 | 06 Aug 2015 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2015 | 12 Jun 2015 | 001-35155 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2015 | 20 May 2015 | 000-51134 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Aug 2014 | 06 Aug 2014 | 001-35155 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jun 2014 | 13 Jun 2014 | 001-35155 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2014 | 31 Dec 2013 | 000-51134 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Sep 2013 | 03 Sep 2013 | 001-35155 |
| 3 | Open Document | Open Filing | FORM 3 | 13 Aug 2013 | 06 Aug 2013 | 001-35155 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2013 | 10 May 2013 | 000-51134 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2012 | 22 Jun 2012 | 000-51134 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Apr 2012 | 06 Apr 2012 | 000-51134 |