| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2021 | 11 Jun 2021 | 001-37480 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2021 | 04 May 2021 | 001-37480 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2020 | 03 Sep 2020 | 001-37480 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2019 | 05 Dec 2019 | 001-37480 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Dec 2019 | 03 Dec 2019 | 001-37480 |
| 4/A | Open Document | Open Filing | FORM 4/A | 22 Nov 2019 | 20 Nov 2019 | 001-37480 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Nov 2019 | 20 Nov 2019 | 001-37480 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2019 | 13 Nov 2019 | 001-37480 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2019 | 12 Nov 2019 | 001-37480 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2019 | 11 Nov 2019 | 001-37480 |
| 3 | Open Document | Open Filing | FORM 3 | 07 Oct 2019 | 30 Sep 2019 | 001-37480 |