| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | 20 Feb 2024 | 20 Feb 2024 | 000-26719 | |
| 4 | Open Document | Open Filing | 18 Dec 2023 | 14 Dec 2023 | 000-26719 | |
| 4 | Open Document | Open Filing | 21 Feb 2023 | 16 Feb 2023 | 000-26719 | |
| 4 | Open Document | Open Filing | 30 Dec 2022 | 28 Dec 2022 | 000-26719 | |
| 4 | Open Document | Open Filing | 19 Dec 2022 | 15 Dec 2022 | 000-26719 | |
| 4 | Open Document | Open Filing | 18 Feb 2022 | 16 Feb 2022 | 000-26719 | |
| 4 | Open Document | Open Filing | 25 Jan 2022 | 21 Jan 2022 | 000-26719 | |
| 4 | Open Document | Open Filing | 03 Jan 2022 | 30 Dec 2021 | 000-26719 | |
| 4 | Open Document | Open Filing | 20 Dec 2021 | 16 Dec 2021 | 000-26719 | |
| 4 | Open Document | Open Filing | 07 Jun 2021 | 03 Jun 2021 | 000-26719 | |
| 4 | Open Document | Open Filing | 21 Dec 2020 | 17 Dec 2020 | 000-26719 | |
| 4 | Open Document | Open Filing | 03 Dec 2020 | 01 Dec 2020 | 000-26719 | |
| 4 | Open Document | Open Filing | 21 Nov 2019 | 19 Nov 2019 | 000-26719 | |
| 4 | Open Document | Open Filing | 03 Dec 2018 | 29 Nov 2018 | 000-26719 | |
| 4 | Open Document | Open Filing | 04 Dec 2017 | 30 Nov 2017 | 000-26719 | |
| 4 | Open Document | Open Filing | 18 Nov 2016 | 17 Nov 2016 | 000-26719 | |
| 3 | Open Document | Open Filing | 01 Jun 2016 | 26 May 2016 | 000-26719 |