| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 2, 2025 | Sep 10, 2020 | 001-09532 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 14, 2020 | Oct 12, 2020 | 001-09532 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 5, 2016 | Sep 6, 2016 | 001-09532 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 18, 2015 | Jun 16, 2015 | 001-09532 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 22, 2014 | Oct 16, 2014 | 001-09532 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 13, 2014 | Jan 9, 2014 | 001-09532 |