| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Oct 27, 2021 | Oct 26, 2021 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 26, 2021 | Oct 24, 2021 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 27, 2020 | Oct 24, 2020 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2019 | Dec 13, 2019 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 28, 2019 | Oct 24, 2019 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2019 | Jun 1, 2019 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 29, 2018 | Oct 26, 2018 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 26, 2018 | Oct 24, 2018 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2018 | Jun 1, 2018 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 30, 2017 | Oct 26, 2017 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 26, 2017 | Oct 24, 2017 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2017 | Jun 1, 2017 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 28, 2016 | Oct 26, 2016 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 26, 2016 | Oct 24, 2016 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 25, 2016 | Oct 23, 2016 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 12, 2016 | Jul 11, 2016 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 9, 2016 | Jun 1, 2016 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2015 | Nov 16, 2015 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 6, 2015 | Nov 5, 2015 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 4, 2015 | Nov 3, 2015 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 28, 2015 | Oct 26, 2015 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 27, 2015 | Oct 23, 2015 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2015 | Jun 1, 2015 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 15, 2015 | Jan 13, 2015 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 29, 2014 | Oct 27, 2014 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 27, 2014 | Oct 23, 2014 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 15, 2014 | Jan 13, 2014 | 001-16583 |