| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2022 | 15 Feb 2022 | 001-39320 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2022 | 15 Feb 2022 | 001-15817 |
| 3 | Open Document | Open Filing | FORM 3 | 17 Feb 2022 | 15 Feb 2022 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2020 | 06 Aug 2020 | 001-39320 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2019 | 24 Jan 2019 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2018 | 25 Oct 2018 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2018 | 26 Jul 2018 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2018 | 26 Apr 2018 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Feb 2018 | 17 Feb 2018 | 001-35975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2018 | 31 Jan 2018 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Nov 2017 | 06 Nov 2017 | 001-35975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2017 | 26 Oct 2017 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2017 | 27 Jul 2017 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2017 | 26 May 2017 | 001-35975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2017 | 27 Apr 2017 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Mar 2017 | 14 Mar 2017 | 001-35975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2017 | 26 Jan 2017 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Nov 2016 | 11 Nov 2016 | 001-35975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Oct 2016 | 20 Oct 2016 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Aug 2016 | 08 Aug 2016 | 001-35975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jul 2016 | 21 Jul 2016 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Jun 2016 | 24 Jun 2016 | 001-35975 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2016 | 26 May 2016 | 001-35975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Apr 2016 | 21 Apr 2016 | 000-10967 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 16 Feb 2016 | 31 Dec 2015 | 001-35975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2016 | 28 Jan 2016 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2015 | 22 Oct 2015 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2015 | 23 Jul 2015 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2015 | 26 May 2015 | 001-35975 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2015 | 16 Mar 2015 | 001-35975 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Mar 2015 | 05 Mar 2015 | 001-35975 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 May 2014 | 28 May 2014 | 001-35975 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2014 | 14 May 2014 | 001-35975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2014 | 19 Feb 2014 | 000-10967 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jun 2013 | 26 Jun 2013 | 001-35975 |
| 3 | Open Document | Open Filing | FORM 3 | 20 Jun 2013 | 20 Jun 2013 | 001-35975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2013 | 20 Feb 2013 | 000-10967 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2012 | 22 Feb 2012 | 000-10967 |