Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
---|---|---|---|---|---|---|
4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 8, 2021 | Jun 4, 2021 | 000-21835 |
4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2021 | Mar 10, 2021 | 000-21835 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2020 | Dec 9, 2020 | 000-21835 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 8, 2020 | Oct 7, 2020 | 000-21835 |
4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 11, 2020 | Aug 7, 2020 | 000-21835 |
3 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 27, 2020 | Apr 20, 2020 | 000-21835 |