| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Apr 3, 2023 | Apr 1, 2023 | 000-56032 |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | Feb 17, 2023 | Feb 10, 2023 | 000-56032 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2022 | Feb 23, 2022 | 001-35517 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2019 | Mar 6, 2019 | 001-35517 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2018 | Mar 7, 2018 | 001-35517 |
| 3 | Open Document | Open Filing | 3 | Feb 22, 2018 | Feb 21, 2018 | 001-35517 |