| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Mar 2022 | 28 Mar 2022 | 001-10613 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Sep 2021 | 04 Sep 2021 | 001-10613 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Mar 2021 | 29 Mar 2021 | 001-10613 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2020 | 04 Sep 2020 | 001-10613 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Mar 2020 | 27 Mar 2020 | 001-10613 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2019 | 04 Sep 2019 | 001-10613 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2019 | 29 Mar 2019 | 001-10613 |
| 4 | Open Document | Open Filing | 05 Sep 2018 | 04 Sep 2018 | 001-10613 | |
| 3 | Open Document | Open Filing | 05 Sep 2018 | 04 Sep 2018 | 001-10613 |