| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 01 Apr 2025 | 28 Mar 2025 | 001-33407 |
| 4 | Open Document | Open Filing | 4 | 05 Mar 2025 | 03 Mar 2025 | 001-33407 |
| 4 | Open Document | Open Filing | 4 | 04 Dec 2024 | 04 Dec 2024 | 001-33407 |
| 4/A | Open Document | Open Filing | 4/A | 04 Dec 2024 | 25 Nov 2024 | 001-33407 |
| 4 | Open Document | Open Filing | 4 | 26 Nov 2024 | 25 Nov 2024 | 001-33407 |
| 4 | Open Document | Open Filing | 4 | 24 Jun 2024 | 20 Jun 2024 | 001-33407 |
| 4 | Open Document | Open Filing | 4 | 13 Jun 2024 | 13 Jun 2024 | 001-33407 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2023 | 12 Dec 2023 | 001-33407 |
| 3 | Open Document | Open Filing | FORM 3 | 13 Feb 2023 | 03 Feb 2023 | 001-33407 |
| 4 | Open Document | Open Filing | 07 Apr 2020 | 06 Apr 2020 | 001-37853 | |
| 4 | Open Document | Open Filing | 02 Jan 2019 | 28 Dec 2018 | 001-37853 | |
| 4 | Open Document | Open Filing | 16 Jul 2018 | 12 Jul 2018 | 001-37853 | |
| 4 | Open Document | Open Filing | 14 Nov 2017 | 10 Nov 2017 | 001-37853 | |
| 4 | Open Document | Open Filing | 07 Feb 2017 | 03 Feb 2017 | 001-37853 | |
| 3 | Open Document | Open Filing | 11 Oct 2016 | 11 Oct 2016 | 001-37853 | |
| 4/A | Open Document | Open Filing | 17 Jun 2015 | 31 Dec 2014 | 000-52735 | |
| 4 | Open Document | Open Filing | 20 May 2015 | 31 Dec 2014 | 000-52735 | |
| 4 | Open Document | Open Filing | 16 Oct 2014 | 14 Oct 2014 | 000-52735 | |
| 4 | Open Document | Open Filing | 24 Jul 2014 | 22 Jul 2014 | 000-52735 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Feb 2014 | 28 Jan 2013 | 000-51474 |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Feb 2014 | 28 Jan 2013 | 000-51474 |
| 4 | Open Document | Open Filing | 08 Jan 2014 | 07 Jan 2014 | 333-147193 | |
| 4 | Open Document | Open Filing | 27 Sep 2013 | 25 Sep 2013 | 333-147193 | |
| 4 | Open Document | Open Filing | 09 Apr 2013 | 09 Apr 2013 | 000-52735 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2013 | 15 Feb 2013 | 000-52315 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Feb 2013 | 28 Jan 2013 | 000-51474 |
| 4 | Open Document | Open Filing | 27 Nov 2012 | 26 Nov 2012 | 333-147193 | |
| 4 | Open Document | Open Filing | 28 Sep 2012 | 27 Sep 2012 | 333-147193 | |
| 4 | Open Document | Open Filing | 12 Sep 2012 | 12 Sep 2012 | 333-147193 | |
| 4 | Open Document | Open Filing | 03 Aug 2012 | 03 Aug 2012 | 333-147193 | |
| 4 | Open Document | Open Filing | 15 Jun 2012 | 15 Jun 2012 | 333-147193 | |
| 4 | Open Document | Open Filing | 24 May 2012 | 22 May 2012 | 000-52735 | |
| 3 | Open Document | Open Filing | 13 Apr 2012 | 08 Apr 2012 | 000-52735 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2012 | 03 Jan 2012 | 000-52315 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2012 | 03 Jan 2012 | 000-52315 |