| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 16 May 2025 | 15 May 2025 | 001-38804 | |
| 4 | Open Document | Open Filing | 17 May 2024 | 16 May 2024 | 001-38804 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Jun 2023 | 15 Jun 2023 | 001-38804 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Jun 2022 | 01 Jun 2022 | 001-38804 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Jul 2021 | 16 Jul 2021 | 001-38804 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Jul 2020 | 29 Jul 2020 | 001-38804 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Jul 2018 | 09 Jul 2018 | 000-55960 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 11 May 2016 | 31 Mar 2016 | 001-35996 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Aug 2015 | 24 Aug 2015 | 001-35996 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jun 2015 | 04 Jun 2015 | 001-35996 |
| 4 | Open Document | Open Filing | 31 Dec 2014 | 29 Dec 2014 | 001-35996 | |
| 4 | Open Document | Open Filing | 28 Aug 2014 | 26 Aug 2014 | 001-35996 | |
| 4 | Open Document | Open Filing | 26 Aug 2014 | 25 Aug 2014 | 001-35996 | |
| 4 | Open Document | Open Filing | 21 Feb 2014 | 19 Feb 2014 | 001-35996 | |
| 4 | Open Document | Open Filing | 13 Feb 2014 | 13 Feb 2014 | 001-35996 | |
| 4 | Open Document | Open Filing | 20 Dec 2013 | 20 Dec 2013 | 001-35996 | |
| 4 | Open Document | Open Filing | 18 Dec 2013 | 16 Dec 2013 | 001-35996 | |
| 4 | Open Document | Open Filing | 26 Aug 2013 | 23 Aug 2013 | 001-35996 | |
| 4 | Open Document | Open Filing | 14 Mar 2013 | 12 Mar 2013 | 000-54621 | |
| 4 | Open Document | Open Filing | 21 Dec 2012 | 21 Dec 2012 | 000-54621 | |
| 4 | Open Document | Open Filing | 24 Aug 2012 | 23 Aug 2012 | 000-54621 | |
| 4 | Open Document | Open Filing | 07 Aug 2012 | 06 Aug 2012 | 000-54621 | |
| 4/A | Open Document | Open Filing | 05 Jun 2012 | 16 Mar 2012 | 000-54621 | |
| 4 | Open Document | Open Filing | 20 Apr 2012 | 18 Apr 2012 | 000-54621 | |
| 4 | Open Document | Open Filing | 20 Mar 2012 | 16 Mar 2012 | 000-54621 | |
| 3 | Open Document | Open Filing | 13 Mar 2012 | 13 Mar 2012 | 000-54621 |