| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Jun 2021 | 28 May 2021 | 001-39580 |
| 4 | Open Document | Open Filing | 4 | 05 Nov 2020 | 03 Nov 2020 | 001-39580 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Oct 2020 | 06 Oct 2020 | 001-39580 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 01 Oct 2020 | 01 Oct 2020 | 001-39580 |