| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Feb 16, 2022 | Feb 16, 2022 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 8, 2022 | Feb 4, 2022 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 3, 2022 | Feb 1, 2022 | 001-33067 | |
| 4 | Open Document | Open Filing | Dec 10, 2021 | Dec 9, 2021 | 001-33067 | |
| 4 | Open Document | Open Filing | Nov 10, 2021 | Nov 9, 2021 | 001-33067 | |
| 4 | Open Document | Open Filing | Aug 23, 2021 | Aug 20, 2021 | 001-33067 | |
| 4 | Open Document | Open Filing | Aug 2, 2021 | Jul 30, 2021 | 001-33067 | |
| 4 | Open Document | Open Filing | May 3, 2021 | Apr 30, 2021 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 8, 2021 | Feb 1, 2021 | 001-33067 | |
| 4 | Open Document | Open Filing | Dec 8, 2020 | Dec 7, 2020 | 001-33067 | |
| 4 | Open Document | Open Filing | Nov 18, 2020 | Nov 17, 2020 | 001-33067 | |
| 4 | Open Document | Open Filing | Aug 7, 2020 | Aug 6, 2020 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 7, 2020 | Feb 6, 2020 | 001-33067 | |
| 4 | Open Document | Open Filing | Jan 31, 2020 | Jan 29, 2020 | 001-33067 | |
| 4 | Open Document | Open Filing | Nov 4, 2019 | Nov 1, 2019 | 001-33067 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2019 | May 8, 2019 | 001-33067 |
| 4 | Open Document | Open Filing | Feb 20, 2019 | Feb 19, 2019 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 11, 2019 | Feb 8, 2019 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 1, 2019 | Jan 30, 2019 | 001-33067 | |
| 4 | Open Document | Open Filing | Nov 6, 2018 | Nov 5, 2018 | 001-33067 | |
| 4 | Open Document | Open Filing | May 18, 2018 | May 17, 2018 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 5, 2018 | Feb 1, 2018 | 001-33067 | |
| 4 | Open Document | Open Filing | Dec 1, 2017 | Dec 1, 2017 | 001-33067 | |
| 4 | Open Document | Open Filing | Jun 8, 2017 | Jun 7, 2017 | 001-33067 | |
| 4 | Open Document | Open Filing | May 2, 2017 | May 1, 2017 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 7, 2017 | Feb 3, 2017 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 3, 2017 | Feb 1, 2017 | 001-33067 | |
| 4 | Open Document | Open Filing | Nov 15, 2016 | Nov 15, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Nov 1, 2016 | Nov 1, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Oct 18, 2016 | Oct 17, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Oct 4, 2016 | Oct 3, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Sep 15, 2016 | Sep 15, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Sep 2, 2016 | Sep 1, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Aug 15, 2016 | Aug 15, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Aug 1, 2016 | Aug 1, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Jul 15, 2016 | Jul 15, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Jul 1, 2016 | Jul 1, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Jun 15, 2016 | Jun 15, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Jun 7, 2016 | Jun 6, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | May 9, 2016 | May 6, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 8, 2016 | Feb 4, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 5, 2016 | Feb 3, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Nov 19, 2015 | Nov 18, 2015 | 001-33067 | |
| 4 | Open Document | Open Filing | Aug 12, 2015 | Aug 11, 2015 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 23, 2015 | Feb 20, 2015 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 10, 2015 | Feb 6, 2015 | 001-33067 | |
| 4 | Open Document | Open Filing | Nov 13, 2014 | Nov 12, 2014 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 6, 2014 | Feb 4, 2014 | 001-33067 | |
| 4 | Open Document | Open Filing | Jan 31, 2014 | Jan 29, 2014 | 001-33067 |