| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2022 | 26 May 2022 | 001-35986 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2021 | 27 May 2021 | 001-35986 |
| 4 | Open Document | Open Filing | FORM 4 - | 29 May 2020 | 28 May 2020 | 001-35986 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jun 2019 | 13 Jun 2019 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 - | 31 May 2019 | 29 May 2019 | 001-35986 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jun 2018 | 12 Jun 2018 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 - | 25 May 2018 | 23 May 2018 | 001-35986 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Feb 2018 | 22 Feb 2018 | 001-35986 |
| 3 | Open Document | Open Filing | FORM 3 - | 23 Feb 2018 | 14 Dec 2017 | 001-35986 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2017 | 25 May 2017 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jan 2017 | 06 Jan 2017 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jun 2016 | 17 Jun 2016 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Sep 2015 | 01 Sep 2015 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2015 | 15 Jun 2015 | 000-31141 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2015 | 31 Dec 2014 | 001-36759 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2014 | 01 Nov 2014 | 001-00604 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Oct 2014 | 28 Oct 2014 | 001-00604 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Oct 2014 | 07 Oct 2014 | 001-00604 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2014 | 01 Sep 2014 | 001-00604 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Mar 2014 | 06 Mar 2014 | 000-31141 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 10 Mar 2014 | 06 Mar 2014 | 000-31141 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jan 2014 | 09 Jan 2014 | 001-00604 |