| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 20, 2025 | May 5, 2025 | 001-39487 | |
| 3 | Open Document | Open Filing | May 20, 2025 | May 5, 2025 | 001-39487 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2017 | May 18, 2017 | 000-17758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 26, 2016 | May 25, 2016 | 000-17758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 4, 2015 | Nov 2, 2015 | 000-22332 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 30, 2015 | Oct 28, 2015 | 000-22332 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 26, 2015 | May 20, 2015 | 000-17758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2015 | Mar 3, 2015 | 000-17758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 2, 2015 | Dec 31, 2014 | 001-33038 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 12, 2014 | Dec 10, 2014 | 000-22332 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 10, 2014 | Dec 8, 2014 | 001-33038 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 16, 2014 | Sep 15, 2014 | 001-33038 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 10, 2014 | Sep 8, 2014 | 001-33038 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2014 | May 29, 2014 | 000-17758 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jan 6, 2014 | Dec 31, 2013 | 001-33038 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2014 | Dec 31, 2013 | 001-33038 |