| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Sep 30, 2025 | Sep 30, 2025 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 1, 2025 | Jun 30, 2025 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2025 | May 14, 2025 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2024 | May 14, 2024 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2024 | May 9, 2024 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 10, 2023 | Aug 9, 2023 | 001-06541 |
| 144 | Open Document | Open Filing | Aug 9, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2023 | May 9, 2023 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2022 | May 10, 2022 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | May 12, 2021 | May 11, 2021 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2020 | May 12, 2020 | 001-06541 |
| 4 | Open Document | Open Filing | 4 | Jan 14, 2020 | Jan 10, 2020 | 001-37995 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2019 | May 14, 2019 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2019 | May 8, 2019 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 13, 2018 | Jun 12, 2018 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 13, 2018 | Sep 11, 2018 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 13, 2018 | Jun 12, 2018 | 001-06541 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2018 | May 16, 2018 | 001-37995 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2018 | May 8, 2018 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2018 | Mar 13, 2018 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 14, 2017 | Dec 12, 2017 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 14, 2017 | Sep 12, 2017 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2017 | Jun 13, 2017 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2017 | May 9, 2017 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2017 | Mar 14, 2017 | 001-06541 |
| 3 | Open Document | Open Filing | 3 | Jan 26, 2017 | Jan 26, 2017 | 001-37995 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2016 | Dec 13, 2016 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 14, 2016 | Sep 13, 2016 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2016 | Jun 14, 2016 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2016 | May 10, 2016 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2016 | Dec 31, 2015 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2015 | Sep 30, 2015 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 1, 2015 | Jun 30, 2015 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2015 | Mar 31, 2015 | 001-06541 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2015 | Feb 13, 2015 | 001-06541 |
| 3 | Open Document | Open Filing | FORM 3 | Feb 11, 2015 | Feb 10, 2015 | 001-06541 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2015 | Jan 31, 2015 | 001-07964 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 25, 2014 | Jun 23, 2014 | 001-07964 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 13, 2014 | Jun 11, 2014 | 001-07964 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2014 | May 29, 2014 | 001-07964 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2014 | Apr 2, 2014 | 001-07964 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2014 | Jan 31, 2014 | 001-07964 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 9, 2014 | Sep 25, 2013 | 001-07964 |