| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 01 Oct 2021 | 01 Oct 2021 | 001-37931 | |
| 3/A | Open Document | Open Filing | 08 Feb 2021 | 31 Oct 2019 | 001-37931 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Nov 2019 | 31 Oct 2019 | 001-37931 |