| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Feb 9, 2023 | Feb 7, 2023 | 001-32892 | |
| 4 | Open Document | Open Filing | Feb 9, 2022 | Feb 7, 2022 | 001-32892 | |
| 4 | Open Document | Open Filing | Feb 11, 2021 | Feb 9, 2021 | 001-32892 | |
| 4 | Open Document | Open Filing | Dec 8, 2020 | Dec 4, 2020 | 001-32892 | |
| 4 | Open Document | Open Filing | Mar 2, 2020 | Feb 28, 2020 | 001-32892 | |
| 4 | Open Document | Open Filing | Jan 30, 2020 | Jan 29, 2020 | 001-32892 | |
| 4 | Open Document | Open Filing | May 10, 2019 | May 9, 2019 | 001-32892 | |
| 4 | Open Document | Open Filing | Jan 24, 2019 | Jan 23, 2019 | 001-32892 | |
| 4 | Open Document | Open Filing | Jan 26, 2018 | Jan 24, 2018 | 001-32892 | |
| 4 | Open Document | Open Filing | May 31, 2017 | May 30, 2017 | 001-32892 | |
| 4 | Open Document | Open Filing | Jan 27, 2017 | Jan 25, 2017 | 001-32892 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2016 | Nov 15, 2016 | 001-04018 |
| 4 | Open Document | Open Filing | Feb 29, 2016 | Feb 26, 2016 | 001-32892 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2015 | Nov 16, 2015 | 001-04018 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 12, 2015 | Aug 12, 2015 | 001-13711 |
| 4 | Open Document | Open Filing | Jan 30, 2015 | Jan 28, 2015 | 001-32892 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2014 | Nov 17, 2014 | 001-04018 |
| 4 | Open Document | Open Filing | FORM 4 - | Apr 28, 2014 | Apr 24, 2014 | 001-13711 |
| 4 | Open Document | Open Filing | Jan 31, 2014 | Jan 29, 2014 | 001-32892 |