| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 11, 2021 | Jun 9, 2021 | 001-39142 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 25, 2021 | Mar 23, 2021 | 001-39142 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 29, 2020 | Dec 23, 2020 | 001-39142 |
| 3 | Open Document | Open Filing | Dec 3, 2020 | Dec 3, 2020 | 001-39758 | |
| 3 | Open Document | Open Filing | Nov 21, 2019 | Nov 21, 2019 | 001-39142 | |
| 4 | Open Document | Open Filing | 4 | May 14, 2019 | Apr 29, 2019 | 001-36870 |
| 4 | Open Document | Open Filing | 4 | May 2, 2018 | Apr 30, 2018 | 001-36870 |
| 4 | Open Document | Open Filing | 4 | Jul 5, 2017 | Jul 1, 2017 | 001-36870 |
| 4 | Open Document | Open Filing | 4 | Jul 13, 2016 | Jul 11, 2016 | 001-36870 |
| 4 | Open Document | Open Filing | Jul 10, 2015 | Jul 8, 2015 | 001-36870 | |
| 3 | Open Document | Open Filing | Jun 24, 2015 | Jun 19, 2015 | 001-36870 |