| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 5, 2023 | Apr 25, 2023 | 001-40755 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | Jul 3, 2014 | ||
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | Jun 16, 2014 |