| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Jan 2023 | 20 Jan 2023 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Dec 2021 | 01 Dec 2021 | 000-15946 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 11 May 2021 | 28 Apr 2021 | 000-15946 |