Ethan M. Grossjung
Professional summary
Ethan Michael Grossjung, who also goes by Ethan Grossjung, is a registered financial professional currently at COMMERCE BROKERAGE SERVICES, INC. located in Kansas City, Missouri.
Ethan is registered as a RR (Registered Representative) and started their career in finance in 2025. Ethan has worked at 1 firm and has passed the Series 52TO and SIE exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - BD
Click below to view Ethan Michael Grossjung's CRS (Customer Relationship Summary).
Certified licenses
Experience
August 29, 2025 - Present
COMMERCE BROKERAGE SERVICES, INC.
Office #1: 1000 Walnut 3rd Floor, Kansas City, MO 64106State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
Exams
Series 52TO
Date: 8/29/2025
Municipal Securities Representative ExaminationFINRA
Current Firm
COMMERCE BROKERAGE SERVICES, INC.
CRD#: 17140 / SEC#: 801-66509, 8-35096
Contact information
FINRA licenses (46 States and Territories)
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| COMMERCE BANK | SOLE STOCKHOLDER | |
| CHMELKA, JOHN EMIL | PRINCIPAL OPERATIONS OFFICER | 2052962 |
| HARMON, THOMAS DARIN | PRESIDENT/CHIEF EXECUTIVE OFFICER | 7787415 |
| MOWER, MATHEW ROBERT | SENIOR VICE PRESIDENT | 3176197 |
| REECE, JOSEPH STEVEN | VICE PRESIDENT/CHIEF COMPLIANCE OFFICER | 2227282 |
| ROWE, MARGARET | CORPORATE SECRETARY | 7576973 |
| SIMPSON, TIFFANY LYNN | TREASURER/CHIEF FINANCIAL OFFICER/PRINCIPAL FINANCIAL OFFICER | 6685507 |
| SWANSON, ERIK ANDREW | EXECUTIVE VICE PRESIDENT | 4170204 |
Regulatory assets under management
| Total Number of Accounts | 3,570 |
| AUM (Assets Under Management) | $ 650,363,405 |
Disclosures
| Regulatory Event | 5 |
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
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Company Information
COMMERCE BROKERAGE SERVICES, INC.
CRD#: 17140Kansas City, MO 64106TRUST BUT VERIFY
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