| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Apr 2022 | 15 Apr 2022 | 001-07107 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Feb 2022 | 14 Feb 2022 | 001-07107 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | 001-07107 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Feb 2022 | 07 Feb 2022 | 001-07107 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 09 Dec 2021 | 01 Dec 2021 | 001-07107 |