William L Hayhurst appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. William L Hayhurst appears on 1 filing role across Form ADV (1).
| Filed | Source | Entity | Role | Location |
|---|---|---|---|---|
| 2025-09-18 | Form ADV | QUADRATURE US INC. | CHIEF TECHNOLOGY OFFICER | NEW YORK, NY |