| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2024 | 24 May 2024 | 000-17196 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2023 | 26 May 2023 | 000-17196 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2022 | 27 May 2022 | 000-17196 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jun 2021 | 21 Jun 2021 | 000-17196 |
| 3 | Open Document | Open Filing | FORM 3 | 17 Jun 2021 | 17 Jun 2021 | 000-17196 |
| 3 | Open Document | Open Filing | 17 Aug 2018 | 09 Aug 2018 | 000-17363 |