| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2022 | 26 May 2022 | 001-12672 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2021 | 27 May 2021 | 001-12672 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 May 2020 | 19 May 2020 | 001-12672 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2019 | 23 May 2019 | 001-12672 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2018 | 31 May 2018 | 001-12672 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2017 | 31 Jul 2017 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2017 | 31 Jul 2017 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jul 2017 | 21 Jul 2017 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jul 2017 | 21 Jul 2017 | 001-09610 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 May 2017 | 25 May 2017 | 001-12672 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2017 | 15 Feb 2017 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2017 | 15 Feb 2017 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jan 2017 | 17 Jan 2017 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jan 2017 | 17 Jan 2017 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2017 | 29 Dec 2016 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2017 | 29 Dec 2016 | 001-09610 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 May 2016 | 26 May 2016 | 001-12672 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2016 | 17 Feb 2016 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2016 | 17 Feb 2016 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2016 | 09 Feb 2016 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2016 | 09 Feb 2016 | 001-09610 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2016 | 11 Jan 2016 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2016 | 11 Jan 2016 | 001-09610 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2015 | 29 May 2015 | 001-12672 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jan 2015 | 12 Jan 2015 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jan 2015 | 12 Jan 2015 | 001-09610 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2014 | 29 May 2014 | 001-12672 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jan 2014 | 14 Jan 2014 | 001-15136 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jan 2014 | 14 Jan 2014 | 001-09610 |