| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2022 | May 20, 2022 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2022 | May 18, 2022 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2022 | May 17, 2022 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2022 | Dec 30, 2021 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 29, 2021 | Nov 24, 2021 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2021 | May 18, 2021 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2021 | Feb 9, 2021 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2020 | May 20, 2020 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2020 | Mar 31, 2020 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 30, 2020 | Mar 26, 2020 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2020 | Feb 6, 2020 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2019 | May 15, 2019 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 30, 2019 | Apr 22, 2019 | 001-35020 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 29, 2019 | Apr 22, 2019 | 001-35020 |