| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2023 | 03 May 2023 | 001-35764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2022 | 26 May 2022 | 001-35764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2021 | 27 May 2021 | 001-35764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jul 2020 | 01 Jul 2020 | 001-35764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2019 | 23 May 2019 | 001-35764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2018 | 31 May 2018 | 001-35764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Feb 2018 | 11 Feb 2018 | 001-35764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2017 | 18 May 2017 | 001-35764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Feb 2017 | 11 Feb 2017 | 001-35764 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2016 | 05 Dec 2016 | 001-13252 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Sep 2016 | 12 Sep 2016 | 001-13252 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jul 2016 | 27 Jul 2016 | 001-13252 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2016 | 03 May 2016 | 001-35764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Feb 2016 | 11 Feb 2016 | 001-35764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Aug 2015 | 01 Aug 2015 | 001-35764 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2015 | 29 Jul 2015 | 001-13252 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2014 | 21 Nov 2014 | 001-13252 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2014 | 25 Sep 2013 | 001-13252 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2014 | 31 Oct 2014 | 001-13252 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Aug 2014 | 01 Aug 2014 | 001-35764 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2014 | 30 Jul 2014 | 001-13252 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Feb 2014 | 11 Feb 2014 | 001-35764 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 12 Feb 2014 | 11 Feb 2014 | 001-35764 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2014 | 09 Oct 2009 | 001-13252 |