Alex S. Reinstein
Professional summary
Alex Steven Reinstein, who also goes by Alex Reinstein, is a registered financial professional currently at GTS SECURITIES LLC located in Chicago, Illinois and GTS EXECUTION SERVICES LLC located in New York, New York.
Alex is registered as a RR (Registered Representative) and started their career in finance in 2013. Alex has worked at 5 firms and has passed the Series 57TO, SIE and Series 7 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - BD
Click below to view Alex Steven Reinstein's CRS (Customer Relationship Summary).
Certified licenses
Experience
June 23, 2025 - Present
GTS SECURITIES LLC
Office #1: 1 South Dearborn Street Office 20-123, Chicago, IL 60603Office #2: 625 Avenue Of Americas 3rd Floor, New York, NY 10011August 18, 2025 - Present
GTS EXECUTION SERVICES LLC
Office #1: 625 Avenue Of Americas 3rd Floor, New York, NY 10011February 21, 2023 - July 15, 2024
DRW EXECUTION SERVICES, LLC
January 21, 2022 - February 20, 2024
CUMBERLAND SECURITIES LLC
January 22, 2021 - February 21, 2023
DRW EXECUTION SERVICES, LLC
September 24, 2013 - July 15, 2024
DRW SECURITIES, L.L.C.
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(6/23/2025)
Exams
Series 57TO
Date: 1/2/2023
Securities Trader ExamCboe BYX Exchange, Inc.
Cboe BZX Exchange, Inc.
Cboe EDGA Exchange, Inc.
Cboe EDGX Exchange, Inc.
FINRA
Investors' Exchange LLC
MEMX LLC
MIAX PEARL, LLC
NYSE American LLC
NYSE Arca, Inc.
NYSE National, Inc.
NYSE Texas, Inc.
Nasdaq BX, Inc.
Nasdaq PHLX LLC
Nasdaq Stock Market
New York Stock Exchange
Current Firm
GTS EXECUTION SERVICES LLC
CRD#: 306364 / SEC#: , 8-70455
Contact information
FINRA licenses (21 States and Territories)
Documents
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.
