| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2022 | Mar 16, 2022 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 15, 2022 | Feb 12, 2022 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 10, 2022 | Feb 8, 2022 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 4, 2021 | Oct 1, 2021 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2021 | Jul 1, 2021 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 19, 2021 | Apr 15, 2021 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2021 | Feb 17, 2021 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2021 | Feb 13, 2021 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 12, 2021 | Feb 10, 2021 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2021 | Feb 9, 2021 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2020 | Oct 1, 2020 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2020 | Jul 1, 2020 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 7, 2020 | Apr 7, 2020 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2020 | Feb 19, 2020 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2020 | Feb 14, 2020 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2020 | Feb 11, 2020 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 16, 2020 | Jan 15, 2020 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2019 | Jun 6, 2019 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2019 | Mar 1, 2019 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2019 | Feb 19, 2019 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 14, 2019 | Feb 12, 2019 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 9, 2018 | Aug 7, 2018 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 24, 2018 | Jul 21, 2018 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2018 | Mar 9, 2018 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2018 | Feb 27, 2018 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2018 | Feb 23, 2018 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2018 | Feb 20, 2018 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 15, 2018 | Feb 13, 2018 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 1, 2018 | Jan 30, 2018 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2017 | Feb 14, 2017 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2016 | Feb 19, 2016 | 001-35797 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 22, 2015 | Jul 21, 2015 | 001-35797 |
| 3 | Open Document | Open Filing | FORM 3 | May 5, 2015 | May 5, 2015 | 001-35797 |