| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 19 May 2021 | 17 May 2021 | 001-35328 | |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2021 | 13 May 2021 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Apr 2021 | 01 Apr 2021 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2021 | 01 Jan 2021 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2020 | 01 Oct 2020 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2020 | 02 Sep 2020 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2020 | 30 Jun 2020 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Apr 2020 | 22 Apr 2020 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2020 | 01 Jan 2020 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2019 | 01 Oct 2019 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jul 2019 | 01 Jul 2019 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Apr 2019 | 24 Apr 2019 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2019 | 01 Apr 2019 | 001-35328 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2019 | 02 Jan 2019 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2019 | 01 Jan 2019 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2018 | 01 Oct 2018 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jul 2018 | 01 Jul 2018 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Apr 2018 | 25 Apr 2018 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2018 | 01 Apr 2018 | 001-35328 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2018 | 02 Jan 2018 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2018 | 01 Jan 2018 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2017 | 02 Oct 2017 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jul 2017 | 01 Jul 2017 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2017 | 26 Apr 2017 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2017 | 31 Mar 2017 | 001-35328 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2017 | 03 Jan 2017 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2017 | 01 Jan 2017 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Oct 2016 | 01 Oct 2016 | 001-35328 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2016 | 07 Sep 2016 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jul 2016 | 01 Jul 2016 | 001-35328 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2016 | 15 Jun 2016 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Apr 2016 | 20 Apr 2016 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2016 | 01 Apr 2016 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jan 2016 | 05 Jan 2016 | 001-35328 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2016 | 31 Dec 2015 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2015 | 01 Oct 2015 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2015 | 01 Jul 2015 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Apr 2015 | 22 Apr 2015 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2015 | 01 Apr 2015 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Mar 2015 | 06 Mar 2015 | 001-35328 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jan 2015 | 09 Jan 2015 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2015 | 02 Jan 2015 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2014 | 31 Oct 2014 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Oct 2014 | 10 Oct 2014 | 001-35328 |
| 3 | Open Document | Open Filing | FORM 3 | 14 Oct 2014 | 10 Oct 2014 | 001-35328 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2014 | 30 May 2014 | 001-14756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jan 2014 | 10 Jan 2014 | 001-14756 |