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Alexander Mendoza

MURIEL SIEBERT & CO.
Chicago, IL
·CRD# 6191315·12 years experience

Professional Summary

Alexander Mendoza, who also goes by Alex Mendoza, Alexander Mendoza, Fermin Alejandro Mendoza, is a registered financial advisor currently at MURIEL SIEBERT & CO., LLC located in Chicago, Illinois. Alexander is registered as a RR (Registered Representative) and started their career in finance in 2014. Alexander has worked at 3 firms and has passed the Series 63, Series 99TO, SIE, Series 7, Series 24 and Series 4 exams.

At a Glance

Best-Interest Standard

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Other Aliases

Alex Mendoza, Alexander Mendoza, Fermin Alejandro Mendoza

Blog Corner

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Videos & Posts

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Contact Information

This advisor has not claimed their profile yet, so there is no contact information to display at this time.

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Disclosures are events reported to regulators, such as customer disputes, regulatory actions, employment separations, or financial events. Some are resolved, denied, or contested — a disclosure is not a verdict. We recommend asking an advisor directly about any disclosure on their record.

Disclosures on record.

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.

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Years of Experience

12 years in the financial services industry

Current & Past Employments

MURIEL SIEBERT & CO., LLC·CRD# 5376
BD
303 E. Wacker Dr. Suite 2950, Chicago, IL 60601
April 23, 2025 - Present
MORGAN STANLEY·CRD# 149777
BD
Chicago, IL
July 25, 2022 - April 10, 2025
E*TRADE SECURITIES LLC·CRD# 29106
BD
Chicago, IL
September 17, 2014 - September 5, 2023

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Current Firm

MS
MURIEL SIEBERT & CO., LLC

MURIEL SIEBERT & CO., INC. | MURIEL SIEBERT & CO., LLC

CRD#: 5376 / SEC#: 8-14900
BD
Broker-Dealer Firm Regulated by FINRA (New York district office)

Contact Information

Main Address

300 Vesey Street 5th Floor, New York, NY, 10282

Mailing Address

653 Collins Avenue, Miami Beach, FL 33139

Phone Number

(800) 872-0444

Established

Delaware since 01/01/2024

Firm Type

Limited Liability Company

Fiscal Year End

December

Firm Size

Small

FINRA licenses (52 States and Territories)

Registered to provide investment advisory services in 0 US states and territories.

Documents

Customer Relationship Summary (CRS / FINRA)

Direct owners and executive officers

NamePositionCRD#
SIEBERT FINANCIAL CORPORATIONPARENT COMPANY—
BENDER, KYLE ROBERTREGISTERED OPTIONS AND SECURITIES FUTURES PRINCIPAL ("ROSFP")2287329
BONO, RONALD ROSSCUSTOMER RELATIONSHIP OFFFICER1247269
COLOMBINO, MICHAEL JONATHANCHIEF FINANCIAL OFFICER/BOARD MEMBER4871852
GEBBIA, GLORIA ESTELLEBOARD MEMBER2126152
GEBBIA, JOHN MICHAELCO-CEO/BOARD MEMBER1866455
GEBBIA, RICHARD SALCO-CEO/BOARD MEMBER2348552
REICH, ANDREW HENRYBOARD MEMBER1966909
SOSNOWSKI, PETER JAMESNATIONAL SALES MANAGER1540143
VILLELLA, BARBARA DUNNECCO/AMLCO1719722

Disclosures

Regulatory Event

6

Arbitration

1

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Other business activities

Information obtained from regulatory filings. Advisors can request corrections through their firm or regulator.

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.

The advisor shows no other business activity.

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State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.
RR
indicates the advisor is registered as a Registered Representative in this state, allowing securities offerings such as stocks, bonds, and mutual funds through a broker-dealer.
RR
Alabama
(4/23/2025)
RR
Alaska
(4/23/2025)
RR
Arizona
(4/23/2025)
RR
Arkansas
(4/23/2025)
RR
California
(4/23/2025)
RR
Colorado
(4/23/2025)
RR
Connecticut
(4/23/2025)
RR
Delaware
(4/23/2025)
RR
District of Columbia
(4/23/2025)
RR
Florida
(4/23/2025)
RR
Georgia
(4/23/2025)
RR
Hawaii
(4/23/2025)
RR
Idaho
(4/23/2025)
RR
Illinois
(4/23/2025)
RR
Indiana
(4/23/2025)
RR
Iowa
(4/23/2025)
RR
Kansas
(4/23/2025)
RR
Kentucky
(4/23/2025)
RR
Louisiana
(4/23/2025)
RR
Maine
(4/23/2025)
RR
Maryland
(4/23/2025)
RR
Massachusetts
(4/23/2025)
RR
Michigan
(4/23/2025)
RR
Minnesota
(4/23/2025)
RR
Mississippi
(4/23/2025)
RR
Missouri
(4/23/2025)
RR
Montana
(4/23/2025)
RR
Nebraska
(4/23/2025)
RR
Nevada
(4/23/2025)
RR
New Hampshire
(4/23/2025)
RR
New Jersey
(4/23/2025)
RR
New Mexico
(4/23/2025)
RR
New York
(4/23/2025)
RR
North Carolina
(4/23/2025)
RR
North Dakota
(4/23/2025)
RR
Ohio
(4/24/2025)
RR
Oklahoma
(4/23/2025)
RR
Oregon
(4/23/2025)
RR
Pennsylvania
(4/23/2025)
RR
Puerto Rico
(4/23/2025)
RR
Rhode Island
(4/23/2025)
RR
South Carolina
(4/23/2025)
RR
South Dakota
(4/23/2025)
RR
Tennessee
(4/23/2025)
RR
Texas
(4/23/2025)
RR
Utah
(4/23/2025)
RR
Vermont
(4/23/2025)
RR
Virginia
(4/23/2025)
RR
Washington
(4/23/2025)
RR
West Virginia
(4/23/2025)
RR
Wisconsin
(4/23/2025)
RR
Wyoming
(4/23/2025)

Exams

Financial professionals may take different exams throughout their careers based on the types of services they provide and roles they perform.

Series 63 — Uniform Securities Agent State Law Examination

Passed Mar 2015About the Series 63 exam

Series 99TO — Operations Professional Examination

Passed Jan 2023About the Series 99TO exam

SIE — Securities Industry Essentials Examination

Passed Oct 2018About the SIE exam

Series 7 — General Securities Representative Examination

Passed Sep 2014About the Series 7 exam

Series 24 — General Securities Principal Examination

Passed Jul 2026About the Series 24 exam

Series 4 — Registered Options Principal Examination

Passed Mar 2026About the Series 4 exam
FINRA
SRO Registrations
NYSE American LLC
SRO Registrations
Nasdaq Stock Market
SRO Registrations
New York Stock Exchange
SRO Registrations

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CRS (Client Relationship Summary) - BD

Click below to view Alexander Mendoza's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

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