| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 11 Mar 2025 | 10 Mar 2025 | 000-30833 | |
| 4 | Open Document | Open Filing | 19 Feb 2025 | 15 Feb 2025 | 000-30833 | |
| 3 | Open Document | Open Filing | 16 Jan 2025 | 13 Jan 2025 | 000-30833 | |
| 4 | Open Document | Open Filing | 230228 FORM 4 (BURES) | 28 Feb 2023 | 24 Feb 2023 | 001-37471 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2022 | 22 Feb 2022 | 001-37471 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2021 | 04 Mar 2021 | 001-37471 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2020 | 27 Feb 2020 | 001-37471 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2019 | 03 Sep 2019 | 001-37471 |