| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2022 | Sep 1, 2022 | 001-38011 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2021 | Nov 15, 2021 | 001-38011 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2021 | Feb 11, 2021 | 001-38011 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2020 | Jun 15, 2020 | 001-38011 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2020 | May 28, 2020 | 001-38011 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 15, 2019 | Nov 13, 2019 | 001-38011 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 15, 2019 | Feb 25, 2019 | 001-38011 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2019 | Feb 25, 2019 | 001-38011 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 9, 2018 | Oct 8, 2018 | 001-38011 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 10, 2017 | Aug 6, 2017 | 001-38011 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 20, 2017 | Mar 21, 2017 | 001-38011 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 18, 2017 | Jul 18, 2017 | 001-38011 |