| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 15, 2021 | Nov 12, 2021 | 001-36573 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 11, 2018 | Jul 10, 2018 | 001-36573 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2018 | Jun 7, 2018 | 001-36573 |
| 3 | Open Document | Open Filing | FORM 3 | Jan 31, 2018 | Jan 23, 2018 | 001-36573 |