| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 7, 2022 | Jan 5, 2022 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2021 | Jan 6, 2021 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 4, 2020 | Nov 2, 2020 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2020 | Aug 3, 2020 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2020 | May 1, 2020 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2020 | Feb 3, 2020 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 5, 2019 | Nov 1, 2019 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 5, 2019 | Aug 1, 2019 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | May 1, 2019 | May 1, 2019 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 5, 2019 | Feb 1, 2019 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2019 | Jan 4, 2019 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 2, 2018 | Nov 1, 2018 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 2, 2018 | Aug 1, 2018 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2018 | May 1, 2018 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2018 | Feb 1, 2018 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 3, 2017 | Nov 1, 2017 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 2, 2017 | Aug 1, 2017 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2017 | May 1, 2017 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2017 | Feb 1, 2017 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 3, 2016 | Nov 1, 2016 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 1, 2016 | Aug 1, 2016 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2016 | May 2, 2016 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 1, 2016 | Feb 1, 2016 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 2, 2015 | Nov 2, 2015 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 3, 2015 | Aug 3, 2015 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2015 | May 31, 2015 | 001-15755 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2015 | May 1, 2015 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 3, 2015 | Feb 2, 2015 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 3, 2014 | Nov 3, 2014 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2014 | Aug 1, 2014 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2014 | May 6, 2014 | 001-15755 |
| 4 | Open Document | Open Filing | FORM 4 | May 5, 2014 | May 1, 2014 | 001-16583 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2014 | Feb 1, 2014 | 001-16583 |