| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 3, 2021 | Aug 27, 2021 | 001-38709 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 7, 2021 | Jul 2, 2021 | 001-38709 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 22, 2021 | Jun 18, 2021 | 001-38709 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 26, 2021 | Jan 24, 2021 | 001-38709 |
| 4 | Open Document | Open Filing | 4 | May 22, 2020 | May 20, 2020 | 001-38709 |
| 4 | Open Document | Open Filing | 4 | Jan 30, 2020 | Jan 28, 2020 | 001-38709 |
| 4 | Open Document | Open Filing | 4 | Jun 19, 2019 | Jun 18, 2019 | 001-38709 |
| 4 | Open Document | Open Filing | 4 | Jan 28, 2019 | Jan 24, 2019 | 001-38709 |
| 3 | Open Document | Open Filing | 3 | Oct 18, 2018 | Oct 18, 2018 | 001-38709 |
| 4 | Open Document | Open Filing | FORM 4 - | May 4, 2018 | May 2, 2018 | 001-36867 |
| 4 | Open Document | Open Filing | FORM 4 - | May 5, 2017 | May 3, 2017 | 001-36867 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 9, 2016 | Aug 8, 2016 | 001-36867 |
| 4 | Open Document | Open Filing | FORM 4 - | May 9, 2016 | May 5, 2016 | 001-36867 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Jun 30, 2015 | Jun 5, 2015 | 001-36867 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 8, 2015 | Jun 4, 2015 | 001-36867 |
| 4 | Open Document | Open Filing | FORM 4 - | May 13, 2014 | May 9, 2014 | 000-55075 |