| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 18 Mar 2024 | 15 Mar 2024 | 000-56151 | |
| 3 | Open Document | Open Filing | 08 Sep 2022 | 01 Sep 2022 | 000-56151 | |
| 4 | Open Document | Open Filing | 09 Feb 2022 | 09 Feb 2022 | 000-26108 | |
| 4 | Open Document | Open Filing | 20 Jan 2022 | 18 Jan 2022 | 000-26108 | |
| 4 | Open Document | Open Filing | 15 Jan 2021 | 13 Jan 2021 | 000-26108 | |
| 4 | Open Document | Open Filing | 06 Feb 2020 | 04 Feb 2020 | 000-26108 | |
| 4/A | Open Document | Open Filing | 06 Feb 2019 | 16 Jan 2019 | 000-26108 | |
| 4 | Open Document | Open Filing | 06 Feb 2019 | 16 Jan 2019 | 000-26108 | |
| 5 | Open Document | Open Filing | 06 Feb 2019 | 31 Dec 2018 | 000-26108 | |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Feb 2018 | 31 Dec 2017 | 000-26108 |