| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Sep 2021 | 15 Sep 2021 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2021 | 15 Jun 2021 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jun 2021 | 10 Jun 2021 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2021 | 01 Jun 2021 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2021 | 26 May 2021 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2021 | 26 Mar 2021 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2020 | 15 Dec 2020 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2020 | 20 Nov 2020 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2020 | 15 Sep 2020 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2020 | 05 Jun 2020 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Apr 2020 | 20 Mar 2020 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2019 | 13 Dec 2019 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2019 | 13 Sep 2019 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2019 | 14 Jun 2019 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2019 | 07 Jun 2019 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Mar 2019 | 22 Mar 2019 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2018 | 14 Dec 2018 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2018 | 14 Sep 2018 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2018 | 15 Jun 2018 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2018 | 08 Jun 2018 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2018 | 25 May 2018 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Mar 2018 | 23 Mar 2018 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Dec 2017 | 15 Dec 2017 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2017 | 15 Sep 2017 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2017 | 15 Jun 2017 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2017 | 09 Jun 2017 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Mar 2017 | 20 Mar 2017 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Dec 2016 | 15 Dec 2016 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2016 | 22 Nov 2016 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Sep 2016 | 15 Sep 2016 | 000-49850 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jul 2016 | 01 Jul 2016 | 001-14174 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2016 | 15 Jun 2016 | 000-49850 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2016 | 15 Jun 2016 | 001-14174 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jun 2016 | 10 Jun 2016 | 000-49850 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2016 | 03 May 2016 | 001-14174 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Mar 2016 | 22 Mar 2016 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jan 2016 | 15 Sep 2015 | 000-49850 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Dec 2015 | 15 Dec 2015 | 001-14174 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jun 2015 | 15 Jun 2015 | 001-14174 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2015 | 15 Jun 2015 | 000-49850 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2015 | 13 Jun 2014 | 000-49850 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Apr 2015 | 28 Apr 2015 | 001-14174 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Dec 2014 | 15 Dec 2014 | 001-14174 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Jun 2014 | 16 Jun 2014 | 001-14174 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2014 | 13 Dec 2013 | 000-49850 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 May 2014 | 29 Apr 2014 | 001-14174 |