| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Feb 2022 | 01 Feb 2022 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Jan 2022 | 14 Jan 2022 | 001-34755 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Dec 2021 | 13 Dec 2021 | 001-34755 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Dec 2021 | 30 Dec 2014 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Dec 2021 | 13 Dec 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Nov 2021 | 01 Nov 2021 | 001-34755 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Jan 2021 | 02 Nov 2020 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Dec 2020 | 21 Dec 2020 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Dec 2020 | 14 Dec 2020 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Nov 2020 | 31 Oct 2020 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Mar 2020 | 13 Mar 2020 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Dec 2019 | 20 Dec 2019 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Nov 2019 | 31 Oct 2019 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Jun 2019 | 21 Jun 2019 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Jan 2019 | 18 Dec 2018 | 001-34755 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Nov 2018 | 31 Oct 2018 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Dec 2017 | 19 Dec 2017 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 Dec 2017 | 22 Dec 2017 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Dec 2016 | 23 Dec 2016 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Dec 2015 | 24 Dec 2015 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Sep 2015 | 11 Sep 2015 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Jan 2015 | 16 Jan 2015 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Jan 2015 | 26 Dec 2014 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Apr 2014 | 21 Apr 2014 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Mar 2014 | 14 Mar 2014 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Jan 2014 | 27 Dec 2013 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Sep 2013 | 13 Sep 2013 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Mar 2013 | 15 Mar 2013 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Mar 2013 | 13 Mar 2013 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Jan 2013 | 28 Dec 2012 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 Sep 2012 | 26 Sep 2012 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 Mar 2012 | 23 Mar 2012 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Jan 2012 | 07 Jan 2012 | 001-34755 |