| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 18, 2022 | Jan 14, 2022 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 14, 2022 | Jan 12, 2022 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 5, 2022 | Jan 3, 2022 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | May 28, 2021 | May 24, 2021 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Apr 29, 2021 | Apr 27, 2021 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 12, 2021 | Mar 11, 2021 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 29, 2021 | Jan 29, 2021 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 14, 2021 | Jan 12, 2021 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 6, 2021 | Jan 4, 2021 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 16, 2020 | Dec 14, 2020 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Nov 19, 2020 | Nov 17, 2020 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Nov 12, 2020 | Nov 9, 2020 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 8, 2020 | Jun 5, 2020 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | May 1, 2020 | Apr 30, 2020 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Apr 17, 2020 | Apr 15, 2020 | 001-37888 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Feb 28, 2020 | Feb 14, 2019 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 26, 2020 | Feb 24, 2020 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 5, 2020 | Feb 4, 2020 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 6, 2020 | Jan 2, 2020 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 15, 2019 | Feb 14, 2019 | 001-37888 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 4, 2019 | Jan 3, 2019 | 001-37888 |
| 3 | Open Document | Open Filing | FORM 3 - | Mar 2, 2018 | Feb 26, 2018 | 001-37888 |