| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 8, 2024 | Oct 8, 2024 | 001-05507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 8, 2022 | Jun 8, 2022 | 001-05507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 10, 2021 | Jun 9, 2021 | 001-05507 |
| 4 | Open Document | Open Filing | 4 | Dec 2, 2020 | Nov 30, 2020 | 001-05507 |
| 3 | Open Document | Open Filing | 3 | Dec 2, 2020 | Nov 29, 2020 | 001-05507 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 3, 2016 | Feb 1, 2016 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 11, 2015 | Aug 9, 2015 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 23, 2015 | Apr 21, 2015 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2015 | Feb 25, 2015 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 25, 2014 | Nov 24, 2014 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2014 | Oct 1, 2014 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2014 | Aug 14, 2014 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 12, 2014 | Aug 9, 2014 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 7, 2014 | Aug 5, 2014 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2014 | Mar 5, 2014 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2014 | Jan 7, 2014 | 001-16383 |