| 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 | 001-15103 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 8, 2021 | Jun 7, 2021 | 001-15103 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 8, 2021 | Jun 7, 2021 | 001-15103 |