| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2022 | Apr 1, 2022 | 000-05734 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2021 | Mar 31, 2021 | 000-05734 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2021 | Feb 26, 2021 | 000-05734 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2021 | Feb 24, 2021 | 000-05734 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 22, 2021 | Feb 18, 2021 | 000-05734 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 23, 2020 | Nov 19, 2020 | 000-05734 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 11, 2019 | Sep 9, 2019 | 000-05734 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 24, 2019 | Jun 20, 2019 | 000-05734 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 7, 2019 | May 29, 2019 | 000-05734 |