| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 04 Jan 2022 | 01 Jan 2022 | 001-35182 | |
| 4 | Open Document | Open Filing | 28 Oct 2021 | 27 Oct 2021 | 001-35182 | |
| 4 | Open Document | Open Filing | 13 Oct 2021 | 11 Oct 2021 | 001-35182 | |
| 4 | Open Document | Open Filing | FORM 4 | 16 Apr 2021 | 16 Apr 2021 | 001-38247 |
| 4 | Open Document | Open Filing | 21 Dec 2020 | 17 Dec 2020 | 001-35182 | |
| 4 | Open Document | Open Filing | 06 Jul 2020 | 01 Jul 2020 | 001-35182 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2020 | 08 Jun 2020 | 001-38247 |
| 4 | Open Document | Open Filing | 14 Jan 2020 | 10 Jan 2020 | 001-35182 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Oct 2018 | 24 Oct 2018 | 001-38247 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Nov 2017 | 07 Nov 2017 | 001-38247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2017 | 16 Mar 2017 | 000-53121 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2017 | 09 Mar 2017 | 001-35182 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jul 2016 | 07 Jul 2016 | 000-53121 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Apr 2016 | 11 Apr 2016 | 000-53121 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Nov 2015 | 11 Nov 2015 | 000-53121 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 27 Apr 2015 | 16 Apr 2015 | 000-53121 |
| 4/A | Open Document | Open Filing | 29 Dec 2014 | 20 Dec 2014 | 001-35182 | |
| 4 | Open Document | Open Filing | FORM 4 | 23 Dec 2014 | 20 Dec 2014 | 001-35182 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Nov 2013 | 27 Nov 2013 | 001-35182 |
| 3/A | Open Document | Open Filing | FORM 4 | 27 Nov 2013 | 27 Aug 2010 | 001-35182 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2013 | 01 Oct 2013 | 001-35182 |
| 4 | Open Document | Open Filing | FORM 4 | 09 May 2012 | 07 May 2012 | 001-35182 |
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 14 Feb 2012 | ||
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2012 | 13 Jan 2012 | 001-35182 |