| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 07 Apr 2022 | 06 Apr 2022 | 001-36441 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jul 2019 | 22 Jul 2019 | 001-36441 |
| 3 | Open Document | Open Filing | FORM 3 | 29 May 2018 | 22 May 2018 | 001-36441 |