Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
---|---|---|---|---|---|---|
4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 16, 2022 | Feb 14, 2022 | 000-18548 |
4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 5, 2021 | Jul 30, 2021 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2021 | Jul 30, 2021 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2021 | Jul 10, 2021 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2021 | Jul 2, 2021 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2021 | May 13, 2021 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 14, 2020 | Jul 10, 2020 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 7, 2020 | Jul 2, 2020 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2020 | May 12, 2020 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 30, 2019 | Jul 29, 2019 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 10, 2019 | Jul 10, 2019 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 8, 2019 | Jul 5, 2019 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 3, 2019 | Jul 3, 2019 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2019 | Jul 2, 2019 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2019 | May 16, 2019 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2018 | Jul 12, 2018 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 5, 2018 | Jul 3, 2018 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 3, 2018 | Jul 1, 2018 | 000-18548 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2018 | May 17, 2018 | 000-18548 |
3 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2018 | Feb 14, 2018 | 000-18548 |