| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 28, 2022 | Sep 20, 2022 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 24, 2022 | Aug 24, 2022 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 28, 2022 | Jun 22, 2022 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2022 | May 24, 2022 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 24, 2022 | Mar 22, 2022 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2022 | Feb 15, 2022 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 30, 2021 | Dec 22, 2021 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 30, 2021 | Nov 29, 2021 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 30, 2021 | Sep 22, 2021 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2021 | Aug 17, 2021 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 1, 2021 | Jun 25, 2021 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2021 | May 24, 2021 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 26, 2021 | Mar 19, 2021 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2021 | Feb 22, 2021 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2021 | Dec 23, 2020 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2020 | Nov 17, 2020 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2020 | Sep 22, 2020 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 24, 2020 | Aug 21, 2020 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 28, 2020 | Jul 27, 2020 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2020 | Jun 19, 2020 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2020 | May 28, 2020 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 27, 2020 | Mar 20, 2020 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2020 | Feb 27, 2020 | 000-12820 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2020 | Sep 20, 2019 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 23, 2020 | Sep 20, 2019 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 10, 2020 | Sep 20, 2019 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 26, 2019 | Nov 25, 2019 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 19, 2019 | Aug 16, 2019 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 16, 2019 | Mar 15, 2019 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 14, 2019 | Mar 15, 2019 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2019 | May 24, 2019 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2019 | Feb 25, 2019 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 23, 2019 | Mar 16, 2018 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 26, 2018 | Nov 21, 2018 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 22, 2018 | Mar 16, 2018 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2018 | May 22, 2018 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2018 | Feb 13, 2018 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 24, 2018 | Mar 17, 2017 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 30, 2017 | Nov 29, 2017 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 21, 2017 | Aug 17, 2017 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2017 | May 22, 2017 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 28, 2017 | Dec 16, 2016 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2017 | Mar 3, 2017 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2016 | Dec 1, 2016 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 1, 2016 | Jun 17, 2016 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 7, 2016 | Sep 2, 2016 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2016 | Jun 2, 2016 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 8, 2016 | Mar 4, 2016 | 000-12820 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 27, 2016 | Jun 24, 2015 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2016 | Jun 24, 2015 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 3, 2015 | Dec 3, 2015 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 8, 2015 | Sep 3, 2015 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2015 | Jun 4, 2015 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2015 | Mar 25, 2015 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2015 | Mar 5, 2015 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2015 | Dec 24, 2014 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 5, 2014 | Sep 19, 2014 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 5, 2014 | Jun 20, 2014 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2014 | Mar 21, 2014 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2014 | Mar 6, 2014 | 000-12820 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2014 | Dec 20, 2013 | 000-12820 |