| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 30, 2023 | Jun 30, 2023 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2023 | Mar 8, 2023 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2022 | Mar 2, 2022 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 3, 2021 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2020 | Mar 4, 2020 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 7, 2019 | Oct 3, 2019 | 001-16533 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 11, 2019 | Feb 22, 2019 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2019 | Feb 22, 2019 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 9, 2018 | Oct 5, 2018 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2018 | Feb 22, 2018 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 5, 2017 | Oct 5, 2017 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2017 | Feb 23, 2017 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2017 | Jan 3, 2017 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 6, 2016 | Oct 5, 2016 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2016 | Feb 24, 2016 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2016 | Jan 4, 2016 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 7, 2015 | Oct 5, 2015 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2015 | Feb 25, 2015 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 2, 2015 | Jan 2, 2015 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 6, 2014 | Oct 6, 2014 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2014 | Jul 1, 2014 | 001-16533 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2014 | Feb 21, 2014 | 001-16533 |
| 3 | Open Document | Open Filing | FORM 3 | Jan 24, 2014 | Jan 22, 2014 | 001-16533 |