Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
---|---|---|---|---|---|---|
4 | Open Document | Open Filing | Jun 21, 2021 | Jun 17, 2021 | 000-21467 | |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 14, 2020 | Dec 10, 2020 | 000-21467 |
4 | Open Document | Open Filing | Nov 19, 2019 | Nov 18, 2019 | 000-21467 | |
4 | Open Document | Open Filing | 4 | Jun 18, 2018 | Jun 14, 2018 | 000-21467 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 19, 2017 | Jun 15, 2017 | 000-21467 |
4 | Open Document | Open Filing | FORM 4 | Aug 15, 2016 | Aug 12, 2016 | 000-21467 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 17, 2016 | Jun 16, 2016 | 000-21467 |
4 | Open Document | Open Filing | FORM 4 | Nov 18, 2015 | Nov 17, 2015 | 000-21467 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 12, 2015 | Jun 11, 2015 | 000-21467 |
4 | Open Document | Open Filing | FORM 4 | Aug 20, 2014 | Aug 18, 2014 | 000-21467 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 20, 2014 | Jun 18, 2014 | 000-21467 |