| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 Jun 2021 | 15 Jun 2021 | 001-35958 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2021 | 14 Apr 2021 | 001-35958 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Apr 2020 | 17 Apr 2020 | 001-35958 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Feb 2020 | 20 Feb 2020 | 001-35958 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 02 Aug 2019 | 23 Jul 2019 | 001-35958 |