Mark Peter Malek appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. Mark Peter Malek appears on 1 filing role across Form ADV (1).
| Filed | Source | Entity | Role | Location |
|---|---|---|---|---|
| 2025-03-31 | Form ADV | SIEBERT ADVISORNXT, LLC. | CHIEF INVESTMENT OFFICER | NEW YORK, NY |