Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
---|---|---|---|---|---|---|
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 14, 2021 | Sep 12, 2021 | 001-35962 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 15, 2020 | Sep 12, 2020 | 001-35962 |
4 | Open Document | Open Filing | Sep 26, 2019 | Sep 12, 2019 | 001-35962 | |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 14, 2018 | Sep 12, 2018 | 001-35962 |
3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 11, 2016 | Jul 1, 2016 | 001-35962 |