| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 8, 2023 | May 5, 2023 | 001-33067 | |
| 4 | Open Document | Open Filing | Nov 10, 2022 | Nov 8, 2022 | 001-33067 | |
| 4 | Open Document | Open Filing | Jun 2, 2022 | Jun 1, 2022 | 001-33067 | |
| 4 | Open Document | Open Filing | May 9, 2022 | May 6, 2022 | 001-33067 | |
| 4 | Open Document | Open Filing | May 3, 2021 | Apr 30, 2021 | 001-33067 | |
| 4 | Open Document | Open Filing | May 8, 2020 | May 7, 2020 | 001-33067 | |
| 4 | Open Document | Open Filing | May 30, 2019 | May 29, 2019 | 001-33067 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2019 | May 9, 2019 | 001-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2019 | May 3, 2019 | 001-33067 |
| 4 | Open Document | Open Filing | Feb 20, 2019 | Feb 19, 2019 | 001-33067 | |
| 4 | Open Document | Open Filing | Jun 11, 2018 | Jun 8, 2018 | 001-33067 | |
| 4 | Open Document | Open Filing | May 10, 2018 | May 9, 2018 | 001-33067 | |
| 4 | Open Document | Open Filing | May 9, 2018 | May 7, 2018 | 001-33067 | |
| 4 | Open Document | Open Filing | May 7, 2018 | May 4, 2018 | 001-33067 | |
| 4 | Open Document | Open Filing | Jan 17, 2018 | Jan 17, 2018 | 001-33067 | |
| 4 | Open Document | Open Filing | May 2, 2017 | Apr 28, 2017 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 7, 2017 | Feb 6, 2017 | 001-33067 | |
| 4 | Open Document | Open Filing | Oct 31, 2016 | Oct 28, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Aug 1, 2016 | Jul 29, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | May 9, 2016 | May 6, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 18, 2016 | Feb 18, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 10, 2016 | Feb 8, 2016 | 001-33067 | |
| 4 | Open Document | Open Filing | Nov 2, 2015 | Oct 30, 2015 | 001-33067 | |
| 4 | Open Document | Open Filing | Aug 3, 2015 | Jul 31, 2015 | 001-33067 | |
| 4 | Open Document | Open Filing | May 4, 2015 | May 1, 2015 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 4, 2015 | Feb 2, 2015 | 001-33067 | |
| 4 | Open Document | Open Filing | Dec 2, 2014 | Dec 1, 2014 | 001-33067 | |
| 4 | Open Document | Open Filing | Nov 3, 2014 | Oct 31, 2014 | 001-33067 | |
| 4 | Open Document | Open Filing | Aug 4, 2014 | Aug 1, 2014 | 001-33067 | |
| 4 | Open Document | Open Filing | May 7, 2014 | May 7, 2014 | 001-33067 | |
| 4 | Open Document | Open Filing | Apr 28, 2014 | Apr 25, 2014 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 13, 2014 | Feb 13, 2014 | 001-33067 | |
| 4 | Open Document | Open Filing | Feb 4, 2014 | Feb 3, 2014 | 001-33067 |