| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 May 2021 | 13 May 2021 | 001-38231 |
| 3 | Open Document | Open Filing | FORM 3 | 15 Mar 2021 | 03 Mar 2021 | 001-38231 |
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 14 Sep 2020 |