Mark D Longtin appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. Mark D Longtin appears on 1 filing role across Form ADV (1).
| Filed | Source | Entity | Role | Location |
|---|---|---|---|---|
| 2025-03-28 | Form ADV | SOUNION CAPITAL MANAGEMENT, LLC | NON-MEMBER MANAGER | — |