| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 20 Jan 2022 | 18 Jan 2022 | 001-34855 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2021 | 31 Jul 2021 | 001-34855 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jul 2021 | 30 Jun 2021 | 001-34855 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2021 | 02 Jun 2020 | 001-34855 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2021 | 31 Dec 2020 | 001-34855 |
| 4 | Open Document | Open Filing | 04 Dec 2020 | 04 Dec 2020 | 001-34855 | |
| 4 | Open Document | Open Filing | FORM 4 | 03 Aug 2020 | 31 Jul 2020 | 001-34855 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jul 2020 | 30 Jun 2020 | 001-34855 |
| 4 | Open Document | Open Filing | 19 May 2020 | 18 May 2020 | 001-34855 | |
| 4 | Open Document | Open Filing | FORM 4 | 12 Mar 2020 | 11 Mar 2020 | 001-34855 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Mar 2020 | 28 Feb 2020 | 001-34855 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2020 | 31 Dec 2019 | 001-34855 |
| 4 | Open Document | Open Filing | 10 Sep 2019 | 06 Sep 2019 | 001-34855 | |
| 4 | Open Document | Open Filing | 02 Jul 2019 | 30 Jun 2019 | 001-34855 | |
| 4 | Open Document | Open Filing | 02 Jan 2019 | 31 Dec 2018 | 001-34855 | |
| 4 | Open Document | Open Filing | 01 Oct 2018 | 30 Sep 2018 | 001-34855 | |
| 4 | Open Document | Open Filing | 03 Jul 2018 | 30 Jun 2018 | 001-34855 | |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2018 | 01 May 2018 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Apr 2018 | 31 Mar 2018 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Mar 2018 | 16 Mar 2018 | 001-34855 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2018 | 05 Mar 2018 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Jan 2018 | 31 Dec 2017 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Oct 2017 | 30 Sep 2017 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jul 2017 | 30 Jun 2017 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 May 2017 | 16 May 2017 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Apr 2017 | 31 Mar 2017 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Jan 2017 | 31 Dec 2016 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Oct 2016 | 30 Sep 2016 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Aug 2016 | 19 Aug 2016 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Jul 2016 | 30 Jun 2016 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Apr 2016 | 31 Mar 2016 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Mar 2016 | 01 Mar 2016 | 001-34855 |
| 4 | Open Document | Open Filing | 04 Jan 2016 | 31 Dec 2015 | 001-34855 | |
| SC 13D/A | Open Document | Open Filing | 20 Nov 2015 | |||
| 4 | Open Document | Open Filing | 20 Nov 2015 | 20 Nov 2015 | 001-15409 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Oct 2015 | 30 Sep 2015 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Aug 2015 | 07 Aug 2015 | 001-34855 |
| 4 | Open Document | Open Filing | 02 Jul 2015 | 30 Jun 2015 | 001-34855 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 May 2015 | 12 May 2015 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 May 2015 | 12 May 2015 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Apr 2015 | 06 Apr 2015 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Mar 2015 | 01 Mar 2015 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Nov 2014 | 13 Nov 2014 | 001-34855 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Jun 2014 | 30 May 2014 | 001-15409 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 07 Apr 2014 | 02 Apr 2014 | 001-34855 |