| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 10, 2021 | Jun 9, 2021 | 001-38534 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2020 | Jun 4, 2020 | 001-38534 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 27, 2018 | Dec 21, 2018 | 001-38534 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Aug 8, 2018 | Aug 8, 2018 | 001-38534 |