| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2022 | May 9, 2022 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 12, 2022 | Apr 8, 2022 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2022 | Mar 8, 2022 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2022 | Feb 24, 2022 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 29, 2021 | Jul 27, 2021 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 27, 2021 | Apr 26, 2021 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2021 | Mar 4, 2021 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2021 | Feb 18, 2021 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 6, 2020 | Aug 5, 2020 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 27, 2020 | Apr 26, 2020 | 001-35887 |
| 3 | Open Document | Open Filing | FORM 3 | Feb 20, 2020 | Feb 18, 2020 | 001-35887 |