Martin Pierce Cournan appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. Martin Pierce Cournan appears on 1 filing role across Form ADV (1).
| Filed | Source | Entity | Role | Location |
|---|---|---|---|---|
| 2025-08-01 | Form ADV | ESSEX INVESTMENT MANAGEMENT COMPANY, LLC | OWNER | BOSTON, MA |