| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2022 | May 26, 2022 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2022 | Apr 7, 2022 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 12, 2022 | Jan 10, 2022 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 12, 2021 | Oct 7, 2021 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 13, 2021 | Jul 12, 2021 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 6, 2021 | Apr 5, 2021 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2021 | Jan 8, 2021 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 7, 2020 | Oct 6, 2020 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 8, 2020 | Jul 8, 2020 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2020 | Apr 7, 2020 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2020 | Jan 8, 2020 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 4, 2019 | Oct 3, 2019 | 001-35424 |
| 4/A | Open Document | Open Filing | FORM 4/A | Aug 14, 2019 | Aug 13, 2019 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 8, 2019 | Jul 5, 2019 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2019 | Apr 5, 2019 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 9, 2019 | Jan 9, 2019 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 9, 2018 | Oct 5, 2018 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 11, 2018 | Jul 10, 2018 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 5, 2018 | Apr 5, 2018 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2018 | Jan 4, 2018 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 10, 2017 | Oct 10, 2017 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 7, 2017 | Jul 7, 2017 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 6, 2017 | Apr 6, 2017 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2017 | Jan 4, 2017 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 11, 2016 | Oct 11, 2016 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 12, 2016 | Jul 12, 2016 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 7, 2016 | Apr 7, 2016 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2016 | Jan 8, 2016 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 7, 2015 | Oct 7, 2015 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 13, 2015 | Jul 9, 2015 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2015 | Apr 8, 2015 | 001-35424 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 8, 2015 | Mar 1, 2015 | 001-35424 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2015 | Mar 1, 2015 | 001-34979 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 25, 2014 | Mar 23, 2014 | 001-34979 |