| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jul 6, 2022 | Jul 6, 2022 | 000-55911 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2020 | Nov 13, 2020 | 000-55911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 14, 2020 | Aug 12, 2020 | 000-55911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 15, 2020 | Jun 10, 2020 | 000-55911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2020 | Feb 20, 2020 | 000-55911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 20, 2019 | Nov 19, 2019 | 000-55911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 23, 2019 | Aug 21, 2019 | 000-55911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2019 | May 20, 2019 | 000-55911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2019 | Feb 26, 2019 | 000-55911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 27, 2018 | Nov 23, 2018 | 000-55911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 16, 2018 | Aug 15, 2018 | 000-55911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 12, 2018 | Jun 8, 2018 | 000-55911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2018 | Feb 15, 2018 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 13, 2017 | Nov 9, 2017 | 333-190348 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 30, 2017 | Oct 11, 2017 | 333-190348 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 16, 2017 | Oct 11, 2017 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 12, 2017 | Jun 9, 2017 | 333-190348 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 22, 2017 | Feb 21, 2017 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 7, 2016 | Dec 5, 2016 | 333-190348 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 23, 2016 | Aug 22, 2016 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 23, 2016 | Aug 22, 2016 | 333-190348 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 18, 2016 | Jun 23, 2016 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2016 | Jun 23, 2016 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 7, 2016 | Jun 6, 2016 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2016 | Feb 12, 2016 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2015 | Dec 1, 2015 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2015 | Aug 18, 2015 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2015 | May 19, 2015 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 9, 2015 | Apr 8, 2015 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2015 | Mar 4, 2015 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2015 | Feb 27, 2015 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2015 | Feb 3, 2015 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2014 | Dec 2, 2014 | 333-190348 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 6, 2014 | Nov 6, 2014 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 5, 2014 | Nov 5, 2014 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 27, 2014 | Aug 25, 2014 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 6, 2014 | Aug 5, 2014 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 18, 2014 | Jul 18, 2014 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2014 | May 21, 2014 | 333-190348 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2014 | May 20, 2014 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2014 | May 20, 2014 | 333-190348 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2014 | Feb 28, 2014 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2014 | Feb 28, 2014 | 333-190348 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 24, 2014 | Jan 23, 2014 | 333-190348 |