| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 30 Jul 2021 | 29 Jul 2021 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2021 | 04 Jun 2021 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2021 | 14 May 2021 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Apr 2021 | 05 Apr 2021 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jul 2020 | 29 Jul 2020 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2020 | 14 May 2020 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Apr 2020 | 03 Apr 2020 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jul 2019 | 29 Jul 2019 | 001-37474 |
| 3 | Open Document | Open Filing | FORM 3 | 29 Jul 2019 | 29 Jul 2019 | 001-37474 |