| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2023 | 08 May 2023 | 001-40751 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Mar 2023 | 20 Mar 2023 | 001-40751 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2022 | 21 Mar 2022 | 001-40751 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2021 | 15 Mar 2021 | 000-11486 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2020 | 15 Mar 2020 | 000-11486 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2019 | 30 Apr 2019 | 000-11486 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Mar 2019 | 19 Mar 2019 | 000-11486 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Mar 2019 | 15 Mar 2018 | 000-11486 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Mar 2018 | 23 Mar 2018 | 000-11486 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2017 | 08 Jun 2017 | 000-11486 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Mar 2017 | 24 Mar 2017 | 000-11486 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2016 | 19 May 2016 | 000-11486 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2014 | 31 Jan 2014 | 000-28635 |