| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 17 Nov 2021 | 10 Nov 2021 | 001-39227 | |
| 4 | Open Document | Open Filing | 03 Apr 2020 | 01 Apr 2020 | 001-39227 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 May 2018 | 09 May 2018 | 000-55497 |