| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Dec 2025 | 22 Dec 2025 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2025 | 18 Nov 2025 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Dec 2024 | 30 Dec 2024 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Dec 2023 | 21 Dec 2023 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Dec 2022 | 28 Dec 2022 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2022 | 03 Jan 2022 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Dec 2021 | 21 Dec 2021 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Apr 2021 | 09 Apr 2021 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Dec 2020 | 22 Dec 2020 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jan 2020 | 14 Jan 2020 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Dec 2019 | 23 Dec 2019 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2019 | 13 Aug 2019 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jul 2019 | 19 Jul 2019 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2019 | 04 Mar 2019 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2019 | 04 Mar 2019 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Dec 2018 | 21 Dec 2018 | 000-16867 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2018 | 05 Dec 2018 | 000-16867 |