| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 29, 2024 | Apr 23, 2024 | 001-10853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 29, 2024 | Feb 27, 2024 | 001-10853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2023 | Feb 28, 2023 | 001-10853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2022 | Feb 22, 2022 | 001-10853 |
| 4 | Open Document | Open Filing | Feb 25, 2021 | Feb 23, 2021 | 001-10853 | |
| 4 | Open Document | Open Filing | Feb 27, 2020 | Feb 25, 2020 | 001-10853 | |
| 4 | Open Document | Open Filing | Feb 28, 2019 | Feb 26, 2019 | 001-10853 | |
| 4 | Open Document | Open Filing | Feb 22, 2018 | Feb 20, 2018 | 001-10853 | |
| 4 | Open Document | Open Filing | Feb 23, 2017 | Feb 21, 2017 | 001-10853 | |
| 4 | Open Document | Open Filing | Feb 25, 2016 | Feb 23, 2016 | 001-10853 | |
| 4 | Open Document | Open Filing | Oct 26, 2015 | Oct 23, 2015 | 001-10853 | |
| 4 | Open Document | Open Filing | Aug 4, 2015 | Aug 1, 2015 | 001-10853 | |
| 3 | Open Document | Open Filing | Aug 4, 2015 | Aug 1, 2015 | 001-10853 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2015 | Aug 1, 2015 | 001-33872 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2015 | Feb 24, 2015 | 001-33872 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2014 | Feb 26, 2014 | 001-33872 |