| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2022 | 27 Feb 2022 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2022 | 16 Feb 2022 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2021 | 18 Nov 2021 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2021 | 13 May 2021 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2021 | 11 May 2021 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2021 | 07 May 2021 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2021 | 21 Feb 2021 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2021 | 18 Feb 2021 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2021 | 17 Feb 2021 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2020 | 12 Nov 2020 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2020 | 12 Mar 2020 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2020 | 22 Feb 2020 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2020 | 19 Feb 2020 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2019 | 14 Mar 2019 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2019 | 27 Feb 2019 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2019 | 24 Feb 2019 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2018 | 06 Dec 2018 | 001-06028 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2018 | 09 Nov 2018 | 001-06028 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2018 | 19 Jul 2018 | 001-06028 |