| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2022 | Mar 15, 2022 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2022 | Mar 4, 2022 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2022 | Feb 28, 2022 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2021 | Mar 4, 2021 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 1, 2021 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2021 | Feb 23, 2021 | 001-34581 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 30, 2020 | Mar 4, 2020 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2020 | Mar 4, 2020 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2020 | Mar 2, 2020 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 1, 2019 | Jul 30, 2019 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2019 | Mar 4, 2019 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2019 | Feb 26, 2019 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 1, 2018 | May 30, 2018 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2018 | Feb 27, 2018 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2018 | Feb 23, 2018 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2017 | Oct 30, 2017 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2017 | Sep 29, 2017 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 11, 2017 | Apr 10, 2017 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2017 | Mar 2, 2017 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2016 | Mar 4, 2016 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2016 | Feb 26, 2016 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2015 | Mar 5, 2015 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2015 | Feb 27, 2015 | 001-34581 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2015 | Feb 11, 2015 | 001-34581 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 16, 2014 | Nov 3, 2014 | 001-34581 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 16, 2014 | Mar 14, 2014 | 001-34581 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 4, 2014 | Nov 3, 2014 | 001-34581 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 12, 2014 | Mar 14, 2014 | 001-34581 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2014 | Mar 14, 2014 | 001-34581 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2014 | Mar 3, 2014 | 001-34581 |