| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 01 Dec 2021 | 30 Nov 2021 | 001-07982 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2021 | 25 May 2021 | 001-07982 |
| 5 | Open Document | Open Filing | FORM 5 | 03 Feb 2021 | 31 Jan 2021 | 001-07982 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2020 | 20 May 2020 | 001-07982 |
| 5 | Open Document | Open Filing | FORM 5 | 10 Feb 2020 | 31 Jan 2020 | 001-07982 |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2019 | 21 May 2019 | 001-07982 |
| 5 | Open Document | Open Filing | FORM 5 | 04 Feb 2019 | 31 Jan 2019 | 001-07982 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jul 2018 | 11 Jul 2018 | 001-07982 |
| 3 | Open Document | Open Filing | FORM 3 | 12 Jul 2018 | 11 Jul 2018 | 001-07982 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2018 | 07 Jun 2018 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2017 | 15 Nov 2017 | 001-16167 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2017 | 26 Oct 2017 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2017 | 26 Oct 2017 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jul 2017 | 12 Jul 2017 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jun 2017 | 13 Jun 2017 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jun 2017 | 02 Jun 2017 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2016 | 15 Nov 2016 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Oct 2016 | 17 Oct 2016 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2015 | 23 Nov 2015 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2015 | 26 Oct 2015 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Oct 2015 | 26 Oct 2015 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Oct 2014 | 27 Oct 2014 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2014 | 31 Aug 2014 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jul 2014 | 08 Jul 2014 | 001-16167 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2014 | 23 May 2014 | 001-16167 |