| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 2, 2025 | Apr 1, 2025 | 001-09532 |
| 4 | Open Document | Open Filing | 4 | May 23, 2024 | May 17, 2024 | 001-09532 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 14, 2020 | Oct 12, 2020 | 001-09532 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 13, 2017 | Jan 11, 2017 | 001-09532 |
| 3 | Open Document | Open Filing | FORM 3 | Nov 4, 2016 | Nov 1, 2016 | 001-09532 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 16, 2014 | Sep 12, 2014 | 001-34974 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 23, 2014 | Jan 7, 2014 | 001-34974 |