| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 25 Apr 2024 | 23 Apr 2024 | 000-03683 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 27 Apr 2023 | 25 Apr 2023 | 000-03683 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 28 Apr 2022 | 26 Apr 2022 | 000-03683 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 19 Feb 2021 | 17 Feb 2021 | 000-03683 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2020 | 19 Feb 2020 | 000-03683 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2020 | 31 Dec 2019 | 000-03683 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2019 | 14 Feb 2019 | 000-03683 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2019 | 31 Dec 2018 | 000-03683 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2018 | 15 Feb 2018 | 000-03683 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2017 | 25 Apr 2017 | 000-03683 |