| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2022 | 24 May 2022 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jul 2021 | 27 Jul 2021 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2021 | 28 May 2021 | 001-36137 |
| 4 | Open Document | Open Filing | 4 | 08 Jul 2015 | 07 Jul 2015 | 001-37474 |
| 3 | Open Document | Open Filing | 3 | 30 Jun 2015 | 30 Jun 2015 | 001-37474 |