| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 18, 2022 | Apr 15, 2022 | 001-07107 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 15, 2022 | Feb 14, 2022 | 001-07107 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 14, 2022 | Feb 10, 2022 | 001-07107 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 8, 2022 | Feb 7, 2022 | 001-07107 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Dec 9, 2021 | Dec 1, 2021 | 001-07107 |