| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 14, 2025 | Feb 14, 2025 | 000-06814 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 20, 2024 | Mar 19, 2024 | 000-06814 |
| 4 | Open Document | Open Filing | Jan 6, 2023 | Jan 5, 2023 | 000-06814 | |
| 4 | Open Document | Open Filing | Jan 19, 2022 | Jan 17, 2022 | 000-06814 | |
| 4 | Open Document | Open Filing | Feb 24, 2021 | Feb 22, 2021 | 000-06814 | |
| 4 | Open Document | Open Filing | Jan 30, 2020 | Jan 28, 2020 | 000-06814 | |
| 3 | Open Document | Open Filing | Dec 20, 2019 | Dec 10, 2019 | 000-06814 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2015 | Mar 30, 2015 | 001-32997 |
| 4/A | Open Document | Open Filing | FORM 4/A | Apr 1, 2015 | Jan 8, 2015 | 001-32997 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 12, 2015 | Jan 8, 2015 | 001-32997 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2014 | Dec 19, 2014 | 001-32997 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 10, 2014 | Nov 6, 2014 | 001-32997 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 12, 2014 | Jun 11, 2014 | 001-32997 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 9, 2014 | Jun 6, 2014 | 001-32997 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 10, 2014 | Jan 8, 2014 | 001-32997 |