Robert Steven Lowenthal appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. Robert Steven Lowenthal appears on 1 filing role across Form ADV (1).
| Filed | Source | Entity | Role | Location |
|---|---|---|---|---|
| 2026-01-05 | Form ADV | OPPENHEIMER & CO. INC. | CEO-PRESIDENT-DIRECTOR | NEW YORK, NY |