| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 18 Oct 2023 | 16 Oct 2023 | 000-12919 | |
| 4/A | Open Document | Open Filing | 27 Sep 2023 | 25 Sep 2023 | 000-12919 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jun 2022 | 11 Jun 2022 | 000-12919 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2021 | 08 Jan 2021 | 000-12919 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2019 | 09 Nov 2019 | 000-12919 |