| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 9, 2021 | Oct 29, 2021 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2021 | May 15, 2021 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2021 | Apr 30, 2021 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2021 | Feb 12, 2021 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2021 | Jan 28, 2021 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 10, 2020 | Oct 30, 2020 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 10, 2020 | Jul 2, 2020 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2020 | Jun 8, 2020 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2020 | Feb 21, 2020 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2020 | Feb 14, 2020 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2020 | Jan 31, 2020 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2020 | Jan 23, 2020 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 18, 2019 | Sep 16, 2019 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2019 | Feb 22, 2019 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2019 | Feb 15, 2019 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2019 | Jan 31, 2019 | 000-29823 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2019 | Jan 24, 2019 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2019 | Jan 24, 2019 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2018 | Feb 15, 2018 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2018 | Jan 31, 2018 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2018 | Jan 25, 2018 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 22, 2017 | Sep 21, 2017 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 21, 2017 | Sep 19, 2017 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 19, 2017 | Sep 18, 2017 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 6, 2017 | Jun 5, 2017 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2017 | Feb 15, 2017 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2017 | Jan 31, 2017 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2017 | Jan 26, 2017 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 14, 2016 | Sep 12, 2016 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2016 | Feb 12, 2016 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2015 | May 28, 2015 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2015 | Feb 24, 2015 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2015 | Feb 20, 2015 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2015 | Feb 13, 2015 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2014 | May 15, 2014 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2014 | Feb 21, 2014 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2014 | Feb 14, 2014 | 000-29823 |