| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 6, 2024 | Nov 5, 2024 | 001-15461 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 14, 2023 | Nov 14, 2023 | 001-15461 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 7, 2022 | Dec 5, 2022 | 001-15461 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 3, 2021 | Nov 2, 2021 | 001-15461 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 5, 2020 | Nov 3, 2020 | 001-15461 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 5, 2019 | Nov 5, 2019 | 001-15461 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2018 | Oct 30, 2018 | 001-15461 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 11, 2018 | Jun 5, 2018 | 001-15461 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 8, 2017 | Mar 6, 2017 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2017 | Mar 5, 2017 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2017 | Feb 28, 2017 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2017 | Feb 26, 2017 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2017 | Feb 17, 2017 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 8, 2016 | Mar 5, 2016 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2016 | Feb 26, 2016 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2015 | Mar 6, 2015 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2015 | Mar 5, 2015 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2014 | Mar 5, 2014 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2014 | Mar 4, 2014 | 001-08430 |