| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Dec 5, 2022 | Dec 1, 2022 | 001-16577 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 20, 2022 | Jan 19, 2022 | 001-16577 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 21, 2021 | Jan 20, 2021 | 001-16577 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2020 | Jan 22, 2020 | 001-16577 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 16, 2019 | Jan 15, 2019 | 001-16577 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 19, 2018 | Jan 17, 2018 | 001-16577 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 19, 2017 | Jan 18, 2017 | 001-16577 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2016 | Feb 17, 2016 | 001-16577 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 26, 2015 | Mar 24, 2015 | 001-16577 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 26, 2015 | Mar 24, 2015 | 001-16577 |