| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2021 | 15 Dec 2021 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2020 | 12 Nov 2020 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2020 | 11 Nov 2020 | 001-09172 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2020 | 11 Nov 2020 | 001-38214 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2020 | 09 Nov 2020 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2020 | 30 Apr 2020 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2019 | 05 Nov 2019 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Aug 2019 | 02 Aug 2019 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2019 | 13 Mar 2019 | 000-54799 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2019 | 31 Dec 2018 | 001-09172 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2019 | 31 Dec 2018 | 000-54799 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2019 | 31 Dec 2018 | 001-38214 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2018 | 08 Jun 2018 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2018 | 14 May 2018 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2018 | 10 May 2018 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2018 | 08 Mar 2018 | 000-54799 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Oct 2017 | 29 Sep 2017 | 001-38214 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Oct 2017 | 08 Feb 2017 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Sep 2017 | 22 Sep 2017 | 001-09172 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2017 | 08 Feb 2017 | 001-09172 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2017 | 31 Dec 2016 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jun 2016 | 10 Jun 2016 | 001-09172 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2016 | 31 Dec 2015 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2015 | 11 May 2015 | 001-09172 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Dec 2014 | 18 Dec 2014 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Dec 2014 | 18 Dec 2014 | 001-09172 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2014 | 21 May 2014 | 001-09172 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2014 | 21 May 2014 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2014 | 21 May 2014 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2014 | 21 May 2014 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2014 | 21 May 2014 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2013 | 15 Apr 2013 | 000-54799 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Sep 2012 | 28 Sep 2012 | 001-35646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2012 | 13 Mar 2012 | 001-09172 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2012 | 31 Dec 2011 | 001-09172 |