| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2025 | May 16, 2025 | 001-06780 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2024 | May 17, 2024 | 001-06780 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2023 | May 19, 2023 | 001-06780 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2022 | May 20, 2022 | 001-06780 |
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2021 | May 21, 2021 | 001-06780 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2020 | May 15, 2020 | 001-06780 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 28, 2019 | Aug 27, 2019 | 001-06780 |
| 4 | Open Document | Open Filing | May 21, 2019 | May 17, 2019 | 001-06780 | |
| 4 | Open Document | Open Filing | May 22, 2018 | May 18, 2018 | 001-06780 | |
| 4 | Open Document | Open Filing | May 22, 2017 | May 19, 2017 | 001-06780 | |
| 4 | Open Document | Open Filing | May 12, 2017 | May 10, 2017 | 001-06780 | |
| 4 | Open Document | Open Filing | Nov 10, 2016 | Nov 9, 2016 | 001-06780 | |
| 4 | Open Document | Open Filing | Sep 19, 2016 | Sep 15, 2016 | 001-06780 | |
| 4 | Open Document | Open Filing | Sep 16, 2016 | Sep 14, 2016 | 001-06780 | |
| 4 | Open Document | Open Filing | May 25, 2016 | May 24, 2016 | 001-06780 | |
| 4 | Open Document | Open Filing | Jan 26, 2016 | Jan 7, 2016 | 001-06780 | |
| 4 | Open Document | Open Filing | May 18, 2015 | May 15, 2015 | 001-06780 | |
| 3 | Open Document | Open Filing | May 18, 2015 | May 15, 2015 | 001-06780 |