| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Feb 25, 2025 | Feb 23, 2025 | 001-12928 | |
| 4 | Open Document | Open Filing | Feb 27, 2024 | Feb 23, 2024 | 001-12928 | |
| 4 | Open Document | Open Filing | Feb 27, 2023 | Feb 23, 2023 | 001-12928 | |
| 4 | Open Document | Open Filing | Feb 25, 2022 | Feb 23, 2022 | 001-12928 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2021 | Feb 23, 2021 | 001-12928 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2020 | Jun 3, 2020 | 001-12928 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 25, 2020 | Mar 24, 2020 | 001-12928 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2019 | Feb 23, 2019 | 001-12928 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2017 | Mar 9, 2017 | 001-12928 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 25, 2016 | Jan 22, 2016 | 001-12928 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2015 | Jan 31, 2015 | 001-04908 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 13, 2015 | Jan 7, 2015 | 001-12928 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 17, 2014 | Dec 16, 2014 | 001-04908 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 12, 2014 | Sep 10, 2014 | 001-04908 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2014 | Apr 1, 2014 | 001-04908 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2014 | Mar 4, 2014 | 001-04908 |