| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 Nov 2023 | 25 Oct 2023 | 000-55626 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2022 | 08 Dec 2022 | 000-55626 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2022 | 31 Oct 2022 | 000-55626 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2022 | 09 Feb 2022 | 000-55626 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2021 | 01 Mar 2021 | 000-55626 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Jan 2020 | 06 Jan 2020 | 000-55626 |
| 4 | Open Document | Open Filing | 04 Oct 2018 | 24 Sep 2018 | 000-55626 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2018 | 08 Feb 2018 | 000-55626 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2018 | 31 Jan 2018 | 000-55626 |