| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2023 | 22 May 2023 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2023 | 28 Feb 2023 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2023 | 01 Feb 2023 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2022 | 28 Feb 2022 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2022 | 23 Feb 2022 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2022 | 01 Feb 2022 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2021 | 04 Mar 2021 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2021 | 28 Feb 2021 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2021 | 17 Feb 2021 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2021 | 01 Feb 2021 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2021 | 31 Dec 2020 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2020 | 29 Feb 2020 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2020 | 18 Feb 2020 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2020 | 07 Feb 2020 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2020 | 27 Jan 2020 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2020 | 31 Dec 2019 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2019 | 01 Feb 2019 | 001-06961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2019 | 25 Jan 2019 | 001-06961 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2019 | 01 Jan 2019 | 001-06961 |