| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Sep 2025 | 04 Sep 2025 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2020 | 06 May 2020 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2018 | 01 Nov 2018 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2018 | 01 May 2018 | 000-16867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2016 | 10 Feb 2016 | 000-16867 |