| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2021 | May 24, 2021 | 001-36456 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2021 | May 15, 2021 | 001-36456 |
| 3/A | Open Document | Open Filing | FORM 3/A | May 14, 2021 | May 5, 2021 | 001-36456 |
| 3 | Open Document | Open Filing | FORM 3 | May 13, 2021 | May 5, 2021 | 001-36456 |