John Marshall Williams of Cincinnati, OH appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. John Marshall Williams appears on 3 filing roles across Form D (2), Form ADV (1).
| Filed | Source | Entity | Role | Location |
|---|---|---|---|---|
| 2025-08-01 | Form ADV | QUADRANT CAPITAL GROUP LLC | MANAGING PARTNER & CO-FOUNDER | CINCINNATI, OH |
| 2018-07-13 | Form D | Blue Water Quadrant LLC | Director | CINCINNATI, OH |
| 2021-05-19 | Form D | Tulco Quadrant LLC | Executive Officer | CINCINNATI, OH |