| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2021 | 18 May 2021 | 001-39834 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2021 | 18 May 2021 | 001-39834 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2021 | 30 Apr 2021 | 001-39834 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2021 | 30 Dec 2020 | 001-39834 |