| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2025 | 15 May 2025 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2024 | 16 May 2024 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2023 | 16 Nov 2023 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2023 | 18 May 2023 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2022 | 19 May 2022 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2021 | 20 May 2021 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Dec 2020 | 18 Dec 2020 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2020 | 13 Aug 2020 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2020 | 21 May 2020 | 001-13646 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2020 | 31 Dec 2019 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2019 | 23 May 2019 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 29 May 2018 | 24 May 2018 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2018 | 29 Mar 2018 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2017 | 01 Dec 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Sep 2017 | 01 Sep 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jun 2017 | 20 Jun 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2017 | 02 Jun 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2017 | 25 May 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Mar 2017 | 17 Mar 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2016 | 09 Dec 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2016 | 02 Sep 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Aug 2016 | 19 Aug 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2016 | 17 Jun 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 31 May 2016 | 26 May 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Apr 2016 | 15 Apr 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Nov 2015 | 19 Nov 2015 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Apr 2015 | 10 Apr 2015 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Nov 2014 | 20 Nov 2014 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Nov 2014 | 06 Nov 2014 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jul 2014 | 18 Jul 2014 | 001-08864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | 001-08864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2014 | 12 Feb 2014 | 001-08864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2014 | 10 Feb 2014 | 001-08864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2014 | 08 Feb 2014 | 001-08864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2013 | 20 Nov 2013 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2013 | 17 May 2013 | 001-08864 |
| 4 | Open Document | Open Filing | MAIN DOCUMENT DESCRIPTION | 15 Feb 2013 | 13 Feb 2013 | 001-08864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2013 | 08 Feb 2013 | 001-08864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Dec 2012 | 20 Dec 2012 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Nov 2012 | 20 Nov 2012 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Oct 2012 | 25 Oct 2012 | 001-08864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Mar 2012 | 23 Mar 2012 | 001-08864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2012 | 10 Feb 2012 | 001-08864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2012 | 08 Feb 2012 | 001-08864 |