Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
---|---|---|---|---|---|---|
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 26, 2022 | May 25, 2022 | 000-20713 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 16, 2021 | Jun 15, 2021 | 000-20713 |
4 | Open Document | Open Filing | FORM 4 | Jun 18, 2020 | Jun 16, 2020 | 000-20713 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 21, 2019 | Jun 20, 2019 | 000-20713 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 3, 2018 | Jun 29, 2018 | 000-20713 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 9, 2017 | Jun 8, 2017 | 000-20713 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 4, 2016 | Mar 2, 2016 | 000-20713 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 8, 2015 | Apr 6, 2015 | 000-20713 |
4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 3, 2014 | Jun 2, 2014 | 000-20713 |
3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 3, 2014 | Jun 2, 2014 | 000-20713 |