| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Nov 19, 2025 | Nov 17, 2025 | 000-08814 | |
| SC 13D/A | Open Document | Open Filing | Dec 5, 2024 | |||
| 4/A | Open Document | Open Filing | Dec 5, 2024 | Nov 29, 2022 | 000-08814 | |
| 4 | Open Document | Open Filing | Nov 25, 2024 | Nov 21, 2024 | 000-08814 | |
| SC 13D/A | Open Document | Open Filing | Dec 2, 2022 | |||
| 4 | Open Document | Open Filing | Dec 1, 2022 | Nov 29, 2022 | 000-08814 | |
| 13F-HR | Open Document | Open Filing | Aug 15, 2022 | Jun 30, 2022 | 028-20262 | |
| 13F-HR | Open Document | Open Filing | May 16, 2022 | Mar 31, 2022 | 028-20262 | |
| 13F-HR | Open Document | Open Filing | Feb 14, 2022 | Dec 31, 2021 | 028-20262 | |
| 13F-HR | Open Document | Open Filing | Nov 15, 2021 | Sep 30, 2021 | 028-20262 | |
| 13F-HR | Open Document | Open Filing | Aug 16, 2021 | Jun 30, 2021 | 028-20262 | |
| 13F-HR | Open Document | Open Filing | May 18, 2021 | Mar 31, 2021 | 028-20262 | |
| 13F-HR | Open Document | Open Filing | Feb 16, 2021 | Dec 31, 2020 | 028-20262 | |
| SC 13G/A | Open Document | Open Filing | Feb 12, 2021 | |||
| SC 13D/A | Open Document | Open Filing | Jan 22, 2021 | |||
| 13F-HR/A | Open Document | Open Filing | Nov 16, 2020 | Sep 30, 2020 | 028-20262 | |
| 13F-HR | Open Document | Open Filing | Nov 16, 2020 | Sep 30, 2020 | 028-20262 | |
| 4 | Open Document | Open Filing | Sep 14, 2020 | Sep 10, 2020 | 000-08814 | |
| 4 | Open Document | Open Filing | Sep 10, 2020 | Sep 8, 2020 | 000-08814 | |
| 4 | Open Document | Open Filing | Sep 4, 2020 | Sep 2, 2020 | 000-08814 | |
| 13F-HR | Open Document | Open Filing | Aug 14, 2020 | Jun 30, 2020 | 028-20262 | |
| 4 | Open Document | Open Filing | Jul 28, 2020 | Jul 24, 2020 | 000-08814 | |
| SC 13G | Open Document | Open Filing | Jun 12, 2020 | |||
| 13F-HR | Open Document | Open Filing | May 14, 2020 | Mar 31, 2020 | 028-20262 | |
| 4 | Open Document | Open Filing | Apr 6, 2020 | Apr 3, 2020 | 000-08814 | |
| 4 | Open Document | Open Filing | Mar 20, 2020 | Mar 18, 2020 | 000-08814 | |
| 4 | Open Document | Open Filing | Mar 17, 2020 | Mar 13, 2020 | 000-08814 | |
| SC 13D | Open Document | Open Filing | Oct 15, 2019 | |||
| 4 | Open Document | Open Filing | Oct 15, 2019 | Oct 10, 2019 | 000-08814 | |
| 3 | Open Document | Open Filing | Oct 15, 2019 | Oct 7, 2019 | 000-08814 |