| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 29 Jan 2024 | 25 Jan 2024 | 000-12627 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Dec 2023 | 22 Dec 2023 | 000-12627 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2023 | 16 Mar 2023 | 000-12627 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2023 | 03 Mar 2023 | 000-12627 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Dec 2022 | 16 Dec 2022 | 000-12627 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jan 2022 | 31 Dec 2021 | 000-12627 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Dec 2021 | 10 Dec 2021 | 000-12627 |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 14 May 2021 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2021 | 26 Mar 2021 | 000-12627 |