John R Sinnenberg appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. John R Sinnenberg appears on 4 filing roles across Form D (3), Form ADV (1).
| Filed | Source | Entity | Role | Location |
|---|---|---|---|---|
| 2025-07-08 | Form ADV | CYPRIUM INVESTMENT PARTNERS LLC | PARTNER AND MEMBER | CLEVELAND, OH |
| 2014-12-24 | Form D | Cyprium Investors IV LP | Executive Officer | CLEVELAND, OH |
| 2024-12-27 | Form D | Cyprium VI Feeder LP | Executive Officer | CLEVELAND, OH |
| 2024-12-27 | Form D | Cyprium Investors VI LP | Executive Officer | CLEVELAND, OH |