| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2021 | May 9, 2021 | 001-34658 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 1, 2021 | 001-34658 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2021 | Feb 25, 2021 | 001-34658 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 25, 2020 | Aug 24, 2020 | 001-34658 |
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2020 | May 22, 2020 | 001-34658 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2020 | May 18, 2020 | 001-34658 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2020 | May 9, 2020 | 001-34658 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2020 | Mar 1, 2020 | 001-34658 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2020 | Feb 27, 2020 | 001-34658 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 20, 2019 | Nov 19, 2019 | 001-34658 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2019 | Mar 2, 2019 | 001-34658 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2019 | Mar 1, 2019 | 001-34658 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 22, 2018 | Jun 22, 2018 | 001-34658 |