John Arthur Marginson appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. John Arthur Marginson appears on 1 filing role across Form ADV (1).
| Filed | Source | Entity | Role | Location |
|---|---|---|---|---|
| 2025-03-03 | Form ADV | BROWN, LISLE/CUMMINGS, INC. | VICE PRESIDENT | PROVIDENCE, RI |