| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Mar 2022 | 22 Mar 2022 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Feb 2022 | 17 Feb 2022 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Dec 2021 | 30 Nov 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 Jan 2021 | 26 Jan 2021 | 001-34755 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Jan 2021 | 19 Jan 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Jan 2020 | 28 Jan 2020 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Jan 2020 | 15 Jan 2020 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Apr 2019 | 22 Jan 2019 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Mar 2019 | 14 Mar 2019 | 001-34755 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2018 | 23 Jan 2018 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Jan 2018 | 10 Jan 2018 | 001-34755 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Nov 2017 | 21 Nov 2017 | 001-34755 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2017 | 16 Oct 2017 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 Jan 2017 | 24 Jan 2017 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Jan 2016 | 26 Jan 2016 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Sep 2015 | 14 Sep 2015 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Jan 2015 | 27 Jan 2015 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Mar 2014 | 27 Mar 2014 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Feb 2014 | 29 Jan 2014 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Jan 2014 | 28 Jan 2014 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Jan 2013 | 29 Jan 2013 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Jun 2012 | 12 Jun 2012 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Jan 2012 | 24 Jan 2012 | 001-34755 |