John Spiro Koudounis appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. John Spiro Koudounis appears on 4 filing roles across Form ADV (4).
| Filed | Source | Entity | Role | Location |
|---|---|---|---|---|
| 2025-08-11 | Form ADV | CALAMOS ADVISORS LLC | PRESIDENT AND CHIEF EXECUTIVE OFFICER | NAPERVILLE, IL |
| 2025-03-28 | Form ADV | CALAMOS PRIVATE EQUITY LLC | SHAREHOLDER | NAPERVILLE, IL |
| 2025-03-28 | Form ADV | CALAMOS ANTETOKOUNMPO ASSET MANAGEMENT LLC | MANAGER | NAPERVILLE, IL |
| 2025-03-27 | Form ADV | CALAMOS WEALTH MANAGEMENT LLC | MANAGER | NAPERVILLE, IL |