| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 27, 2021 | Oct 27, 2021 | 001-40975 |
| 4 | Open Document | Open Filing | 4 | Mar 30, 2020 | Mar 30, 2020 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 5, 2020 | Mar 4, 2020 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 4, 2020 | Jan 31, 2020 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 5, 2019 | Dec 4, 2019 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Nov 1, 2019 | Oct 31, 2019 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Sep 5, 2019 | Sep 4, 2019 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 2, 2019 | Jul 31, 2019 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 5, 2019 | Jun 4, 2019 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | May 2, 2019 | Apr 30, 2019 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 5, 2019 | Mar 4, 2019 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 1, 2019 | Jan 31, 2019 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 6, 2018 | Dec 4, 2018 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Sep 5, 2018 | Sep 4, 2018 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 5, 2018 | Jun 4, 2018 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 6, 2018 | Mar 4, 2018 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 2, 2018 | Jan 31, 2018 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 1, 2017 | May 30, 2017 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 7, 2017 | Mar 4, 2017 | 001-37903 |
| 4 | Open Document | Open Filing | FORM 4 - | Oct 13, 2016 | Oct 12, 2016 | 001-37903 |
| 3 | Open Document | Open Filing | FORM 3 - | Oct 6, 2016 | Oct 6, 2016 | 001-37903 |