| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2022 | Feb 14, 2022 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2022 | Jan 26, 2022 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2021 | Nov 12, 2021 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 17, 2021 | Aug 13, 2021 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2021 | May 14, 2021 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2021 | Feb 12, 2021 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2021 | Jan 26, 2021 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 17, 2020 | Nov 13, 2020 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2020 | Aug 14, 2020 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2020 | May 15, 2020 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2020 | Feb 19, 2020 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2020 | Feb 14, 2020 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2020 | Jan 22, 2020 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 18, 2019 | Nov 14, 2019 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 16, 2019 | Aug 14, 2019 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2019 | May 15, 2019 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2019 | Feb 26, 2019 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2019 | Feb 14, 2019 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 24, 2019 | Jan 23, 2019 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2018 | Nov 14, 2018 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 16, 2018 | Aug 14, 2018 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2018 | May 15, 2018 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2018 | Feb 14, 2018 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 25, 2018 | Jan 23, 2018 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2018 | Jan 2, 2018 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2017 | Nov 14, 2017 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 16, 2017 | Aug 14, 2017 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2017 | May 15, 2017 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2017 | Feb 14, 2017 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2017 | Jan 3, 2017 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2016 | Nov 14, 2016 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 16, 2016 | Aug 12, 2016 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2016 | May 13, 2016 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2016 | Feb 12, 2016 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2016 | Jan 26, 2016 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2016 | Jan 4, 2016 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 18, 2015 | Nov 13, 2015 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2015 | Aug 14, 2015 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2015 | May 15, 2015 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2015 | Feb 13, 2015 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2015 | Jan 2, 2015 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 17, 2014 | Nov 14, 2014 | 001-16335 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2014 | Aug 14, 2014 | 001-16335 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2014 | May 15, 2014 | 001-16335 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2014 | Feb 14, 2014 | 001-16335 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2014 | Jan 28, 2014 | 001-16335 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2014 | Jan 2, 2014 | 001-16335 |