| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 12 May 2023 | 12 May 2023 | 000-16759 | |
| 4 | Open Document | Open Filing | FORM 4 | 19 Mar 2020 | 19 Mar 2020 | 000-16759 |
| 3 | Open Document | Open Filing | FORM 3 | 25 Nov 2019 | 15 Oct 2019 | 000-16759 |