| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 3, 2022 | Jun 3, 2022 | 001-39448 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 22, 2022 | Apr 22, 2022 | 001-37390 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 22, 2022 | Apr 22, 2022 | 001-39448 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 26, 2022 | Jan 25, 2022 | 001-39448 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 24, 2022 | Jan 24, 2022 | 001-39448 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 21, 2021 | Jun 21, 2019 | 001-39448 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 15, 2021 | Apr 15, 2021 | 001-37390 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 22, 2020 | May 22, 2020 | 000-55393 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 17, 2020 | Apr 17, 2020 | 001-37390 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 14, 2019 | Dec 22, 2017 | 001-37390 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 5, 2019 | Jun 5, 2019 | 000-55393 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 22, 2018 | Jun 22, 2018 | 000-55393 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 18, 2018 | May 18, 2018 | 001-37390 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 6, 2017 | Oct 6, 2017 | 000-55393 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 12, 2017 | Sep 8, 2017 | 000-55201 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 24, 2017 | Jul 21, 2017 | 001-37390 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 24, 2017 | Jul 21, 2017 | 000-55201 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 29, 2016 | Dec 29, 2016 | 001-37390 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 28, 2016 | Dec 21, 2016 | 000-55201 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 22, 2016 | Dec 22, 2016 | 001-37390 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 1, 2016 | Jul 28, 2016 | 000-55393 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 1, 2016 | Feb 12, 2016 | 000-55393 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 1, 2016 | Jul 28, 2016 | 000-55624 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 4, 2016 | Apr 29, 2016 | 000-55624 |