| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Dec 13, 2021 | Dec 9, 2021 | 001-33260 | |
| 4 | Open Document | Open Filing | Aug 11, 2021 | Aug 10, 2021 | 001-33260 | |
| 4 | Open Document | Open Filing | Apr 27, 2021 | Apr 26, 2021 | 001-33260 | |
| 4 | Open Document | Open Filing | Nov 12, 2020 | Nov 9, 2020 | 001-33260 | |
| 4 | Open Document | Open Filing | Nov 4, 2020 | Nov 3, 2020 | 001-33260 | |
| 4 | Open Document | Open Filing | Aug 4, 2020 | Aug 3, 2020 | 001-33260 | |
| 4 | Open Document | Open Filing | May 5, 2020 | May 5, 2020 | 001-33260 | |
| 4 | Open Document | Open Filing | Feb 12, 2020 | Feb 11, 2020 | 001-33260 | |
| 4 | Open Document | Open Filing | Nov 13, 2019 | Nov 11, 2019 | 001-33260 | |
| 4 | Open Document | Open Filing | Nov 6, 2019 | Nov 6, 2019 | 001-33260 | |
| 4 | Open Document | Open Filing | Aug 20, 2019 | Aug 19, 2019 | 001-33260 | |
| 4 | Open Document | Open Filing | May 20, 2019 | Oct 13, 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | Nov 13, 2018 | Nov 12, 2018 | 001-33260 | |
| 4 | Open Document | Open Filing | Dec 14, 2017 | Dec 13, 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | Dec 12, 2017 | Dec 8, 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | Nov 14, 2017 | Nov 13, 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | Sep 12, 2017 | Sep 8, 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | Jun 13, 2017 | Jun 9, 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | Mar 14, 2017 | Mar 10, 2017 | 001-33260 | |
| 4 | Open Document | Open Filing | Dec 13, 2016 | Dec 9, 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | Nov 15, 2016 | Nov 14, 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | Sep 13, 2016 | Sep 9, 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | Jun 14, 2016 | Jun 10, 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | Mar 15, 2016 | Mar 11, 2016 | 001-33260 | |
| 4 | Open Document | Open Filing | Dec 15, 2015 | Dec 11, 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | Nov 12, 2015 | Nov 9, 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | Sep 15, 2015 | Sep 11, 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | Jun 15, 2015 | Jun 12, 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | Mar 17, 2015 | Mar 13, 2015 | 001-33260 | |
| 4 | Open Document | Open Filing | Dec 16, 2014 | Dec 12, 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | Nov 12, 2014 | Nov 10, 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | Sep 15, 2014 | Sep 12, 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | Jun 17, 2014 | Jun 13, 2014 | 001-33260 | |
| 4 | Open Document | Open Filing | Mar 18, 2014 | Mar 14, 2014 | 001-33260 |