| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jun 2022 | 03 Jun 2022 | 001-04347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2022 | 14 Feb 2022 | 001-04347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Feb 2022 | 12 Feb 2022 | 001-04347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2022 | 10 Feb 2022 | 001-04347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2022 | 09 Feb 2022 | 001-04347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jun 2021 | 03 Jun 2021 | 001-04347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2021 | 12 Feb 2021 | 001-04347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2021 | 10 Feb 2021 | 001-04347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2020 | 03 Jun 2020 | 001-04347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2020 | 12 Feb 2020 | 001-04347 |
| 4 | Open Document | Open Filing | 05 Jun 2019 | 03 Jun 2019 | 001-04347 | |
| 3 | Open Document | Open Filing | 05 Jun 2019 | 03 Jun 2019 | 001-04347 |