John C. Barreiro
Professional summary
John Christopher Barreiro, who also goes by John Christopher Barreriro, is a registered financial professional currently at MEMX EXECUTION SERVICES LLC located in Jersey City, New Jersey.
John is registered as a RR (Registered Representative) and started their career in finance in 2010. John has worked at 4 firms and has passed the Series 63, Series 57TO, SIE, Series 3, Series 55 and Series 7 exams.
Aliases
Other business activities
CRS (Client Relationship Summary) - BD
Click below to view John Christopher Barreiro's CRS (Customer Relationship Summary).
Certified licenses
Experience
August 26, 2026 - Present
MEMX EXECUTION SERVICES LLC
Office #1: 525 Washington Boulevard Suite 300, Jersey City, NJ 07310January 12, 2015 - December 22, 2025
CBOE TRADING, INC.
July 30, 2012 - January 13, 2015
DE ROUTE
September 21, 2010 - April 27, 2012
BARCLAYS CAPITAL INC.
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(8/26/2026)
(8/26/2026)
Exams
Series 57TO
Date: 1/2/2023
Securities Trader ExamSeries 55
Date: 2/14/2011
Limited Representative-Equity Trader ExamFINRA
Current Firm
MEMX EXECUTION SERVICES LLC
CRD#: 304129 / SEC#: , 8-70449
Contact information
FINRA licenses (2 States and Territories)
Documents
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| MEMX HOLDINGS LLC | MEMX HOLDINGS LLC | |
| ACHARYA, ISHAAN | CHIEF FINANCIAL OFFICER | 5358383 |
| FRANZON, ANDERS WILLIAM | GENERAL COUNSEL / SECRETARY | |
| KELLNER, JONATHAN ALAN | CHIEF EXECUTIVE OFFICER | 2209043 |
| SAUERWINE, MEGAN LYNN | CONTROLLER / FINOP | 6024362 |
| STRATHMAN, LAUREN MALLORY | CHIEF COMPLIANCE OFFICER / AML COMPLIANCE OFFICER | 6575150 |
| ZUBA, QUITO JON | DIRECTOR, HEAD OF MARKET OPERATIONS | 4660263 |
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
Check for any disclosures as part of your thorough research when choosing an advisor.
