| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2021 | Aug 16, 2021 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2021 | May 17, 2021 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2021 | Mar 9, 2021 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2021 | Feb 22, 2021 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2021 | Feb 16, 2021 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2020 | Dec 15, 2020 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2020 | Mar 9, 2020 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 12, 2020 | Feb 10, 2020 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 7, 2019 | Nov 6, 2019 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 9, 2019 | Aug 7, 2019 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2019 | May 8, 2019 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2019 | Mar 8, 2019 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 14, 2019 | Feb 12, 2019 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2018 | Mar 2, 2018 | 001-35985 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 15, 2018 | Feb 14, 2018 | 001-35985 |
| 3 | Open Document | Open Filing | FORM 3 | Jan 5, 2018 | Jan 1, 2018 | 001-35985 |