| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 13, 2021 | May 11, 2021 | 001-36327 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2020 | Jun 1, 2020 | 001-36327 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 2, 2020 | Jun 1, 2020 | 001-36327 |