| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | FORM 5 | 11 Feb 2022 | 31 Dec 2021 | 001-09444 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jan 2022 | 31 Dec 2021 | 001-09444 |
| 5 | Open Document | Open Filing | FORM 5 | 12 Feb 2021 | 31 Dec 2020 | 001-09444 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2021 | 31 Dec 2020 | 001-09444 |
| 5/A | Open Document | Open Filing | FORM 5/A | 10 Mar 2020 | 31 Dec 2019 | 001-09444 |
| 5 | Open Document | Open Filing | FORM 5 | 12 Feb 2020 | 31 Dec 2019 | 001-09444 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2020 | 31 Dec 2019 | 001-09444 |
| 5 | Open Document | Open Filing | FORM 5 | 11 Feb 2019 | 11 Feb 2019 | 001-09444 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2019 | 31 Dec 2018 | 001-09444 |
| 5 | Open Document | Open Filing | FORM 5 | 14 Feb 2018 | 14 Feb 2018 | 001-09444 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2018 | 29 Dec 2017 | 001-09444 |
| 4 | Open Document | Open Filing | FORM 4 | 11 May 2017 | 10 May 2017 | 000-18051 |
| 5 | Open Document | Open Filing | FORM 5 | 14 Feb 2017 | 14 Feb 2017 | 001-09444 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2017 | 30 Dec 2016 | 001-09444 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2016 | 16 Nov 2016 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2016 | 10 Nov 2016 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Nov 2016 | 03 Nov 2016 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Sep 2016 | 01 Sep 2016 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Aug 2016 | 08 Aug 2016 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2016 | 24 May 2016 | 000-18051 |
| 5 | Open Document | Open Filing | FORM 5 | 16 Feb 2016 | 31 Dec 2015 | 001-09444 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2016 | 04 Jan 2016 | 001-09444 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2015 | 16 Dec 2015 | 000-18051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2015 | 21 May 2015 | 000-18051 |
| 5 | Open Document | Open Filing | FORM 5 | 17 Feb 2015 | 31 Dec 2014 | 001-09444 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2015 | 02 Jan 2015 | 001-09444 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2014 | 11 Dec 2014 | 000-18051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | 000-18051 |
| 5 | Open Document | Open Filing | FORM 5 | 14 Feb 2014 | 14 Feb 2014 | 001-09444 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jan 2014 | 08 Jan 2014 | 001-09444 |