MB
Mark Brendan Sumner
CRD 5563534
Firms
| Firm | Role | As of |
|---|---|---|
| Sigma Planning Corporation | Registered representative | 07/20/2026 |
Roster data from IAPD; titles from the firms' websites where enriched.
Source
Registration data from IAPD (investment adviser representatives feed). View on IAPD ↗