| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2025 | 20 May 2025 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jun 2024 | 18 Jun 2024 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | 25 May 2023 | 23 May 2023 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | 25 May 2022 | 24 May 2022 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2021 | 25 May 2021 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jan 2021 | 06 Jan 2021 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Oct 2020 | 08 Oct 2020 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Aug 2020 | 10 Aug 2020 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Aug 2020 | 06 Aug 2020 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | 29 May 2020 | 28 May 2020 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Feb 2020 | 06 Feb 2020 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 17 Sep 2019 | 16 Sep 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Aug 2019 | 28 Jun 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 18 Jun 2019 | 14 Jun 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Jun 2019 | 12 Jun 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2019 | 30 May 2019 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | 18 Mar 2019 | 14 Mar 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Feb 2019 | 21 Feb 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Feb 2019 | 06 Feb 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 18 Dec 2018 | 14 Dec 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Aug 2018 | 10 Aug 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Jul 2018 | 02 Jul 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 18 Jun 2018 | 14 Jun 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Jun 2018 | 12 Jun 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2018 | 05 Jun 2018 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 Mar 2018 | 14 Mar 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2018 | 12 Mar 2018 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2018 | 09 Mar 2018 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Feb 2018 | 21 Feb 2008 | 000-16244 |
| 5 | Open Document | Open Filing | FORM 5 - | 05 Jan 2018 | 31 Dec 2017 | 000-16244 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 18 Dec 2017 | 13 Dec 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Dec 2017 | 13 Dec 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Dec 2017 | 13 Dec 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Jul 2017 | 10 Jul 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 20 Jun 2017 | 16 Jun 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 Jun 2017 | 14 Jun 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Jun 2017 | 12 Jun 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2017 | 01 Jun 2017 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 May 2017 | 12 May 2017 | 000-16244 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 07 Mar 2017 | 14 Jun 2016 | 000-16244 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 07 Mar 2017 | 14 Dec 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2017 | 16 Feb 2017 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 Dec 2016 | 14 Jun 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Dec 2016 | 13 Dec 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Nov 2016 | 31 Oct 2016 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | 27 Jun 2016 | 23 Jun 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 20 Jun 2016 | 16 Jun 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 Jun 2016 | 14 Jun 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Jun 2016 | 13 Jun 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2016 | 01 Jun 2016 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | 21 Apr 2016 | 19 Apr 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Dec 2015 | 14 Dec 2015 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Nov 2015 | 30 Oct 2015 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Jul 2015 | 13 Jul 2015 | 000-16244 |
| 4/A | Open Document | Open Filing | FORM 4/A | 07 Jul 2015 | 02 Jun 2015 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 Jun 2015 | 12 Jun 2015 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 Jun 2015 | 09 Jun 2015 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Jun 2015 | 08 Jun 2015 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2015 | 02 Jun 2015 | 001-33155 |
| 5 | Open Document | Open Filing | FORM 5 - | 12 Mar 2015 | 31 Dec 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Jun 2014 | 12 Jun 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 Jun 2014 | 09 Jun 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2014 | 03 Jun 2014 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 May 2014 | 08 May 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Apr 2014 | 03 Apr 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Mar 2014 | 10 Mar 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 Feb 2014 | 20 Feb 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Feb 2014 | 12 Feb 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 17 Dec 2013 | 13 Dec 2013 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 20 Nov 2013 | 18 Nov 2013 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Nov 2013 | 13 Nov 2013 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Nov 2013 | 04 Nov 2013 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Jun 2013 | 10 Jun 2013 | 000-16244 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jun 2013 | 04 Jun 2013 | 001-33155 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2012 | 02 Nov 2012 | 001-33155 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Oct 2012 | 03 Oct 2012 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Aug 2012 | 02 Aug 2012 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 30 May 2012 | 25 May 2012 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 May 2012 | 18 May 2012 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Mar 2012 | 02 Mar 2012 | 000-16244 |