| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 25 Jun 2025 | 08 Apr 2025 | 001-33937 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Mar 2025 | 25 Mar 2025 | 001-33937 |
| 4 | Open Document | Open Filing | 17 Aug 2022 | 15 Aug 2022 | 001-33937 | |
| 4 | Open Document | Open Filing | 31 Mar 2022 | 30 Mar 2022 | 001-33937 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Aug 2021 | 19 Aug 2021 | 001-33937 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 11 Feb 2021 | 28 Jan 2021 | 001-33937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Feb 2021 | 28 Jan 2021 | 001-33937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jan 2021 | 11 Jan 2021 | 001-33937 |
| 4 | Open Document | Open Filing | 03 Sep 2020 | 02 Sep 2020 | 001-33937 | |
| 4 | Open Document | Open Filing | 29 May 2020 | 28 May 2020 | 001-33937 | |
| 4 | Open Document | Open Filing | 11 Sep 2019 | 11 Sep 2019 | 001-33937 | |
| 4 | Open Document | Open Filing | 27 Aug 2019 | 27 Aug 2019 | 001-33937 | |
| 4 | Open Document | Open Filing | 22 Aug 2019 | 21 Aug 2019 | 001-33937 | |
| 4 | Open Document | Open Filing | 04 Jun 2019 | 04 Jun 2019 | 001-33937 | |
| 4 | Open Document | Open Filing | 31 May 2019 | 30 May 2019 | 001-33937 | |
| 4 | Open Document | Open Filing | 29 May 2019 | 28 May 2019 | 001-33937 | |
| 4 | Open Document | Open Filing | 17 May 2019 | 17 May 2019 | 001-33937 | |
| 4/A | Open Document | Open Filing | 30 Apr 2019 | 18 Aug 2017 | 000-19621 | |
| 4 | Open Document | Open Filing | 30 Apr 2019 | 18 Aug 2017 | 000-19621 | |
| 3 | Open Document | Open Filing | 12 Sep 2018 | 11 Sep 2018 | 000-19621 | |
| 4 | Open Document | Open Filing | 21 Aug 2018 | 20 Aug 2018 | 001-33937 | |
| 4 | Open Document | Open Filing | 20 Aug 2018 | 17 Aug 2018 | 001-33937 | |
| 4/A | Open Document | Open Filing | FORM 4 AMENDMENT | 09 Apr 2018 | 05 Apr 2018 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Apr 2018 | 05 Apr 2018 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Feb 2018 | 22 Feb 2018 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Feb 2018 | 20 Feb 2018 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Sep 2017 | 12 Sep 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Aug 2017 | 23 Aug 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Aug 2017 | 16 Aug 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Jun 2017 | 26 Jun 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Jun 2017 | 20 Jun 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Jun 2017 | 15 Jun 2017 | 001-33937 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2017 | 15 Jun 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Jun 2017 | 13 Jun 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Jun 2017 | 09 Jun 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jun 2017 | 19 May 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 May 2017 | 19 May 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Mar 2017 | 17 Mar 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Mar 2017 | 16 Mar 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Feb 2017 | 23 Feb 2017 | 001-33937 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jan 2017 | 10 Jan 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jan 2017 | 06 Jan 2017 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Nov 2016 | 10 Nov 2016 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Nov 2016 | 09 Nov 2016 | 001-33937 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jul 2016 | 01 Jul 2016 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Apr 2016 | 07 Apr 2016 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Mar 2016 | 11 Mar 2016 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Mar 2016 | 10 Mar 2016 | 001-33937 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jul 2015 | 31 Dec 2014 | 001-08266 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Jun 2015 | 16 Jun 2015 | 001-08266 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Nov 2014 | 17 Nov 2014 | 001-08266 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Oct 2014 | 23 Oct 2014 | 001-33937 |
| 4 | Open Document | Open Filing | 10 Apr 2013 | 27 Mar 2013 | 001-33937 | |
| 4 | Open Document | Open Filing | 25 Feb 2013 | 17 Dec 2012 | 001-33937 | |
| 4 | Open Document | Open Filing | 02 Oct 2012 | 20 Sep 2012 | 001-33937 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT TO SC 13D | 02 Oct 2012 | ||
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jan 2012 | 12 Dec 2011 | 001-33937 |