| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2022 | 15 Mar 2022 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2022 | 07 Mar 2022 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2022 | 02 Mar 2022 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2022 | 16 Feb 2022 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Oct 2021 | 19 Oct 2021 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2021 | 08 Mar 2021 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2021 | 02 Mar 2021 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2020 | 21 Aug 2020 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2020 | 29 Jul 2020 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2020 | 06 Mar 2020 | 000-50633 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2019 | 31 Jan 2019 | 000-50633 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2019 | 14 Jan 2019 | 000-50633 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2018 | 04 May 2018 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2018 | 02 Mar 2018 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Feb 2018 | 26 Feb 2018 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2017 | 14 May 2017 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Mar 2017 | 02 Mar 2017 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Feb 2017 | 26 Feb 2017 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jun 2016 | 17 Jun 2016 | 001-35560 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2016 | 23 May 2016 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2016 | 14 May 2016 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2016 | 26 Feb 2016 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Sep 2015 | 18 Sep 2015 | 001-35560 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 22 Sep 2015 | 18 Sep 2015 | 001-35560 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Sep 2015 | 11 Sep 2015 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Aug 2015 | 27 Aug 2015 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jul 2015 | 08 Jul 2015 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2015 | 23 May 2015 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2015 | 15 May 2015 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2015 | 14 May 2015 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Mar 2015 | 26 Feb 2015 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jul 2014 | 08 Jul 2014 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2014 | 23 May 2014 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2014 | 14 May 2014 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jul 2013 | 08 Jul 2013 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2013 | 23 May 2013 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2013 | 15 May 2013 | 001-34263 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2013 | 12 Mar 2013 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jul 2012 | 08 Jul 2012 | 001-34263 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 May 2012 | 23 May 2012 | 001-34263 |