| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2022 | Feb 25, 2022 | 000-30171 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 24, 2022 | Feb 12, 2022 | 000-30171 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 16, 2021 | Feb 12, 2021 | 000-30171 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 10, 2021 | Feb 1, 2021 | 000-30171 |