| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 12, 2022 | Jan 11, 2022 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 30, 2021 | Dec 30, 2021 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2021 | Dec 21, 2021 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 1, 2021 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2020 | Mar 1, 2020 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 12, 2019 | Dec 10, 2019 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2019 | Mar 1, 2019 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 28, 2018 | Feb 26, 2018 | 001-35756 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | Oct 20, 2017 | Oct 17, 2017 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 20, 2017 | Oct 18, 2017 | 001-35756 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 18, 2017 | Oct 17, 2017 | 001-35756 |