| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 5, 2021 | Nov 2, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 10, 2021 | Sep 4, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2021 | Aug 14, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 12, 2021 | Aug 10, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2021 | Aug 2, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2021 | Jun 4, 2021 | 000-18032 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2021 | May 14, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2021 | May 14, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2021 | May 2, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 21, 2021 | Apr 18, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 29, 2021 | Feb 19, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 22, 2021 | Feb 2, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2021 | Mar 4, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 20, 2021 | Jan 18, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2021 | Jan 5, 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 7, 2020 | May 13, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 4, 2020 | Nov 2, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 29, 2020 | Oct 28, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 19, 2020 | Oct 18, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 9, 2020 | Sep 4, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 5, 2020 | Jul 31, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2020 | Jul 18, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2020 | Jun 4, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2020 | May 22, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2020 | May 18, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2020 | May 1, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 20, 2020 | Apr 18, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 23, 2020 | Mar 19, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2020 | Mar 4, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2020 | Feb 14, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2020 | Feb 13, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 23, 2020 | Jan 23, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 21, 2020 | Jan 18, 2020 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2019 | Dec 4, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2019 | Nov 15, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 14, 2019 | Nov 13, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2019 | Nov 8, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 21, 2019 | Oct 18, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 10, 2019 | Sep 6, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 5, 2019 | Sep 4, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 27, 2019 | Aug 26, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 15, 2019 | Aug 13, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 6, 2019 | Aug 2, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 19, 2019 | Jul 18, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 30, 2019 | May 28, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2019 | May 13, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 19, 2019 | Apr 18, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2019 | Feb 25, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2019 | Feb 15, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2019 | Feb 13, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2019 | Feb 6, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 23, 2019 | Jan 18, 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 15, 2018 | Nov 13, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 7, 2018 | Nov 6, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 19, 2018 | Oct 18, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 27, 2018 | Sep 4, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 4, 2018 | Aug 30, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 14, 2018 | Aug 13, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 8, 2018 | Aug 6, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2018 | Jun 25, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2018 | May 17, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2018 | May 13, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2018 | May 6, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2018 | May 2, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 22, 2018 | Mar 21, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2018 | Feb 13, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2018 | Feb 6, 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 22, 2017 | Dec 21, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 14, 2017 | Nov 10, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 7, 2017 | Nov 6, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 6, 2017 | Oct 18, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 25, 2017 | Sep 21, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 15, 2017 | Aug 13, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 8, 2017 | Aug 6, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2017 | Jun 21, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2017 | May 13, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2017 | May 6, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 28, 2017 | Mar 25, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 21, 2017 | Mar 21, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2017 | Feb 6, 2017 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 28, 2016 | Dec 25, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 22, 2016 | Dec 21, 2016 | 000-18032 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 22, 2016 | Nov 6, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 8, 2016 | Feb 6, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 27, 2016 | Sep 25, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 22, 2016 | Sep 21, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 9, 2016 | Aug 6, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 28, 2016 | Jun 25, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2016 | Jun 21, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2016 | May 17, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2016 | May 13, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2016 | May 6, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2016 | Mar 30, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 28, 2016 | Mar 25, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 22, 2016 | Mar 21, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2016 | Feb 6, 2016 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 30, 2015 | Dec 30, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 28, 2015 | Dec 25, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 22, 2015 | Dec 21, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2015 | Nov 30, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2015 | Sep 30, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 28, 2015 | Sep 25, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 23, 2015 | Sep 21, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 3, 2015 | Aug 31, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 1, 2015 | Jun 30, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 26, 2015 | Jun 25, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 24, 2015 | Jun 21, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2015 | May 26, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 30, 2015 | Mar 30, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 27, 2015 | Mar 25, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 24, 2015 | Mar 23, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2015 | Mar 5, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2015 | Feb 6, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2015 | Feb 2, 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 31, 2014 | Dec 30, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 29, 2014 | Dec 26, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 4, 2014 | Nov 3, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 1, 2014 | Sep 25, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 26, 2014 | Sep 25, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 6, 2014 | Aug 1, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2014 | Jun 30, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2014 | Jun 25, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2014 | May 1, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 1, 2014 | Mar 31, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 27, 2014 | Mar 25, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 26, 2014 | Mar 21, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2014 | Feb 19, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2014 | Feb 3, 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2014 | Dec 30, 2013 | 000-18032 |