| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2021 | May 10, 2021 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 14, 2021 | Apr 12, 2021 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2021 | Mar 10, 2021 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2021 | Mar 10, 2021 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2021 | Mar 5, 2021 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2021 | Feb 10, 2021 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 14, 2021 | Jan 11, 2021 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 14, 2021 | Jan 11, 2021 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2020 | Dec 10, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2020 | Dec 5, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 21, 2020 | Oct 19, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 5, 2020 | Oct 1, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 9, 2020 | Sep 5, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 3, 2020 | Sep 1, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 5, 2020 | Aug 3, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2020 | Jul 1, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2020 | Jun 5, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2020 | Jun 1, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2020 | Apr 30, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2020 | Mar 5, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2020 | Feb 3, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2020 | Jan 2, 2020 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2019 | Dec 5, 2019 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2019 | Dec 2, 2019 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 5, 2019 | Nov 1, 2019 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 29, 2019 | Oct 25, 2019 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 9, 2019 | Sep 5, 2019 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 23, 2019 | Jul 19, 2019 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 7, 2019 | Jun 5, 2019 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2019 | Mar 5, 2019 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2019 | Mar 1, 2019 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2019 | Feb 1, 2019 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2019 | Jan 2, 2019 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 6, 2018 | Dec 3, 2018 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 5, 2018 | Nov 1, 2018 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 18, 2018 | Oct 16, 2018 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2018 | Oct 1, 2018 | 001-34756 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2018 | Sep 26, 2018 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 17, 2015 | Jul 15, 2015 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2015 | Jun 15, 2015 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2015 | May 15, 2015 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2015 | May 11, 2015 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2015 | Apr 15, 2015 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2014 | Apr 28, 2014 | 001-34756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 15, 2014 | Jan 13, 2014 | 001-34756 |