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WO

William G. O'brien

ARCHIPELAGO SECURITIES L.L.C.
New York, NY 10005
Some features on this profile are disabled
CRD#: 4392370
WO

Professional summary

William Gerard O'brien is a registered financial professional currently at ARCHIPELAGO SECURITIES L.L.C. located in New York, New York and ARCHIPELAGO TRADING SERVICES, INC. located in New York, New York.

William is registered as a RR (Registered Representative) and started their career in finance in 2001. William has worked at 3 firms and has passed the Series 63, Series 57TO, SIE, Series 55, Series 7 and Series 24 exams.

top-8-questions

Question & Answer

Are you a "fiduciary"?
No

Aliases

None

Other business activities

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.

Blog Corner

CRS (Client Relationship Summary) - BD

Click below to view William Gerard O'brien's CRS (Customer Relationship Summary).

Certified licenses

Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®
None

Experience

Current

August 12, 2002 - Present

ARCHIPELAGO SECURITIES L.L.C.

Office #1: 11 Wall Street, New York, NY 10005
BD
CRD#: 102500
New York, NY
Current

January 22, 2004 - Present

ARCHIPELAGO TRADING SERVICES, INC.

Office #1: 11 Wall Street, New York, NY 10005
BD
CRD#: 15853
New York, NY
Past

August 23, 2001 - August 12, 2002

WAVE SECURITIES, LLC

BD
CRD#: 43705
CHICAGO, IL

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 them to offer securities such as stocks, bonds, and mutual funds through a broker-dealer.

Visual representation of state registrations

RR
New York
(8/22/2002)

Exams

State Security Law Exam
RR
Series 63
Date: 8/24/2001
Uniform Securities Agent State Law Examination
General Industry/Product Exam
RR
Series 57TO
Date: 1/2/2023
Securities Trader Exam
General Industry/Product Exam
RR
SIE
Date: 10/1/2018
Securities Industry Essentials Examination
General Industry/Product Exam
RR
Series 55
Date: 6/5/2002
Limited Representative-Equity Trader Exam
General Industry/Product Exam
RR
Series 7
Date: 6/20/2001
General Securities Representative Examination
Principal/Supervisory Exam
RR
Series 24
Date: 11/18/2004
General Securities Principal Examination
SRO Registrations
RR
24X National Exchange LLC
SRO Registrations
RR
Cboe BYX Exchange, Inc.
SRO Registrations
RR
Cboe BZX Exchange, Inc.
SRO Registrations
RR
Cboe EDGA Exchange, Inc.
SRO Registrations
RR
Cboe EDGX Exchange, Inc.
SRO Registrations
RR
FINRA
SRO Registrations
RR
Investors' Exchange LLC
SRO Registrations
RR
Long-Term Stock Exchange, Inc.
SRO Registrations
RR
MEMX LLC
SRO Registrations
RR
MIAX PEARL, LLC
SRO Registrations
RR
NYSE American LLC
SRO Registrations
RR
NYSE Arca, Inc.
SRO Registrations
RR
NYSE National, Inc.
SRO Registrations
RR
NYSE Texas, Inc.
SRO Registrations
RR
Nasdaq BX, Inc.
SRO Registrations
RR
Nasdaq ISE, LLC
SRO Registrations
RR
Nasdaq PHLX LLC
SRO Registrations
RR
Nasdaq Stock Market
SRO Registrations
RR
New York Stock Exchange

Current Firm

AT
ARCHIPELAGO TRADING SERVICES, INC.
ARCHIPELAGO TRADING SERVICES, INC. | GLOBENET SECURITIES, INC. | FRAY MUNICIPAL SECURITIES, INC. | CORPORATE CAPITAL SECURITIES, INC.

CRD#: 15853 / SEC#: , 8-33180

BD
Broker-Dealer Firm Regulated by FINRA (Chicago district office)
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Contact information

Main Address
353 North Clark Street Suite 3200, Chicago, IL 60654
Mailing Address
353 North Clark Street Suite 3200, Chicago, IL 60654
Phone number
(312) 836-6700
Established
Florida since 09/07/1984
Firm type
Corporation
Fiscal year end
December
Firm Size
Small
# of Employees

FINRA licenses (51 States and Territories)

Blank US states mapAlaskaHawaiiAlabamaArkansasArizonaCaliforniaColoradoConnecticutDelawareFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWisconsinWest VirginiaWyoming

Documents

Direct owners and executive officers

NamePositionCRD#
NYSE GROUP, INC.HOLDING COMPANY
KNIGHT, JOHN CHARLESCHIEF COMPLIANCE OFFICER5187603
SCADDEN, BARRY SCOTTEXECUTIVE PRINCIPAL2400877
THOMASSON, SEAN JOSEPHFINANCIAL AND OPERATIONS PRINCIPAL5124423
TOBIN, BRYAN THOMASSUPERVISORY PRINCIPAL5232664

Disclosures

Regulatory Event5

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.

Company Information

ARCHIPELAGO TRADING SERVICES, INC.

CRD#: 15853New York, NY 10005

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