| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 29, 2021 | Jun 23, 2021 | 001-39441 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 18, 2020 | Nov 18, 2020 | 001-39441 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 14, 2020 | Oct 13, 2020 | 001-39441 |
| 3 | Open Document | Open Filing | FORM 3 | Aug 13, 2020 | Aug 12, 2020 | 001-39441 |