| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Dec 21, 2021 | Dec 17, 2021 | 001-37470 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 23, 2021 | Apr 22, 2021 | 001-37470 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2021 | Feb 19, 2021 | 001-37470 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2021 | Feb 16, 2021 | 001-37470 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 17, 2020 | Sep 15, 2020 | 001-37470 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2020 | Feb 21, 2020 | 001-37470 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2020 | Feb 18, 2020 | 001-37470 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 20, 2019 | Aug 19, 2019 | 001-37470 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 18, 2019 | Jun 14, 2019 | 001-37470 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2019 | Mar 13, 2019 | 001-37470 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2019 | Feb 15, 2019 | 001-37470 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 9, 2018 | Aug 7, 2018 | 001-37470 |
| 3 | Open Document | Open Filing | FORM 3 | Aug 9, 2018 | Aug 7, 2018 | 001-37470 |