| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2021 | 07 Nov 2021 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Sep 2021 | 10 Sep 2021 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2021 | 29 Jun 2021 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jun 2021 | 25 Jun 2021 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2021 | 03 Mar 2021 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2020 | 01 Nov 2020 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2020 | 03 Feb 2020 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Nov 2019 | 06 Nov 2019 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2019 | 02 Nov 2019 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2018 | 07 Nov 2018 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2018 | 04 Nov 2018 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2017 | 01 Nov 2017 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2017 | 01 Oct 2017 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Nov 2016 | 02 Nov 2016 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2016 | 31 Oct 2016 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Oct 2016 | 02 Oct 2016 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2015 | 04 Nov 2015 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Oct 2015 | 03 Oct 2015 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2015 | 22 May 2015 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2015 | 19 May 2015 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2015 | 04 May 2015 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Oct 2014 | 05 Oct 2014 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2014 | 01 Oct 2014 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2014 | 24 Jun 2014 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Nov 2013 | 06 Oct 2013 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Oct 2013 | 02 Oct 2013 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2013 | 25 Jan 2013 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2013 | 23 Jan 2013 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2013 | 02 Jan 2013 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Oct 2012 | 03 Oct 2012 | 000-17795 |