| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Nov 2021 | 23 Nov 2021 | 001-34470 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Mar 2021 | 29 Mar 2021 | 001-34470 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Mar 2021 | 26 Feb 2021 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 03 Mar 2020 | 28 Feb 2020 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 26 Feb 2019 | 22 Feb 2019 | 001-34470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 May 2018 | 22 May 2018 | 001-12173 |
| 4 | Open Document | Open Filing | 4 | 28 Feb 2018 | 26 Feb 2018 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 03 Nov 2017 | 02 Nov 2017 | 001-34470 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 May 2017 | 18 May 2017 | 001-34774 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2017 | 16 May 2017 | 001-12173 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Apr 2017 | 17 Apr 2017 | 001-12173 |
| 4 | Open Document | Open Filing | 4 | 28 Feb 2017 | 24 Feb 2017 | 001-34470 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2016 | 14 Dec 2016 | 001-36718 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 May 2016 | 19 May 2016 | 001-34774 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2016 | 17 May 2016 | 001-12173 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 May 2016 | 10 May 2016 | 001-12173 |
| 4 | Open Document | Open Filing | 4 | 01 Mar 2016 | 26 Feb 2016 | 001-34470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Aug 2015 | 26 Aug 2015 | 001-36718 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2015 | 28 May 2015 | 001-36718 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 May 2015 | 21 May 2015 | 001-34774 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 May 2015 | 14 May 2015 | 001-36718 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2015 | 14 May 2015 | 001-12173 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2015 | 07 May 2015 | 001-12173 |
| 4 | Open Document | Open Filing | 4 | 18 Feb 2015 | 13 Feb 2015 | 001-34470 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Nov 2014 | 19 Nov 2014 | 001-36718 |
| 3 | Open Document | Open Filing | FORM 3 | 13 Nov 2014 | 13 Nov 2014 | 001-36718 |
| 4 | Open Document | Open Filing | 4 | 12 Sep 2014 | 11 Sep 2014 | 001-34470 |
| 4 | Open Document | Open Filing | FORM 4 - | 27 May 2014 | 22 May 2014 | 001-34774 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2014 | 15 May 2014 | 001-12173 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2014 | 27 Feb 2014 | 001-33881 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jan 2014 | 30 Dec 2013 | 001-12173 |