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JK

John D. Kernan

SEAPORT GLOBAL SECURITIES LLC
Costa Mesa, CA 92626
Some features on this profile are disabled
CRD#: 4416875
JK

Professional summary

John David Kernan is a registered financial professional currently at SEAPORT GLOBAL SECURITIES LLC located in Costa Mesa, California.

John is registered as a RR (Registered Representative) and started their career in finance in 2001. John has worked at 6 firms and has passed the Series 63, SIE, Series 87, Series 86, Series 7 and Series 55 exams.

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 John David Kernan's CRS (Customer Relationship Summary).
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

March 16, 2026 - Present

SEAPORT GLOBAL SECURITIES LLC

Office #1: 3090 Bristol Street Suite 400, Costa Mesa, CA 92626
BD
CRD#: 116270
Costa Mesa, CA
Past

March 8, 2024 - January 7, 2026

TD SECURITIES (USA) LLC

BD
CRD#: 18476
NEW YORK, NY
Past

September 5, 2008 - April 10, 2024

COWEN AND COMPANY

BD
CRD#: 7616
NEW YORK, NY
Past

July 23, 2007 - September 8, 2008

MORGAN KEEGAN & COMPANY, LLC

BD
CRD#: 4161
NEW YORK, NY
Past

June 3, 2003 - June 14, 2005

TRILLIUM BROKERAGE SERVICES, LLC

BD
CRD#: 120064
NEW YORK, NY
Past

July 30, 2001 - June 5, 2003

HEARTLAND SECURITIES CORP.

BD
CRD#: 43201
EDISON, NJ

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
California
(3/20/2026)
RR
Idaho
(3/20/2026)
RR
Missouri
(3/17/2026)
RR
Ohio
(3/17/2026)
RR
Pennsylvania
(3/19/2026)
RR
Utah
(3/17/2026)

Exams

State Security Law Exam
RR
Series 63
Date: 7/27/2007
Uniform Securities Agent State Law Examination
General Industry/Product Exam
RR
SIE
Date: 10/1/2018
Securities Industry Essentials Examination
General Industry/Product Exam
RR
Series 87
Date: 8/23/2007
Research Analyst Exam - Part II Regulations Module
General Industry/Product Exam
RR
Series 86
Date: 8/16/2007
Research Analyst Exam - Part I Analysis Module
General Industry/Product Exam
RR
Series 7
Date: 7/20/2007
General Securities Representative Examination
General Industry/Product Exam
RR
Series 55
Date: 8/17/2001
Limited Representative-Equity Trader Exam
SRO Registrations
RR
FINRA
SRO Registrations
RR
Nasdaq ISE, LLC
SRO Registrations
RR
Nasdaq Stock Market

Current Firm

SG
SEAPORT GLOBAL SECURITIES LLC
PERICLES CAPITAL | SP CREDIT DIRECT LLC | SEAPORT RESEARCH PARTNERS | SEAPORT GLOBAL SECURITIES LLC | SEAPORT GLOBAL | SEA PORT GROUP SECURITIES, LLC

CRD#: 116270 / SEC#: , 8-53535

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

Main Address
360 Madison Ave 22nd Floor, New York, NY 10017
Mailing Address
360 Madison Ave 22nd Floor, New York, NY 10017
Phone number
(212) 616-7700
Established
Delaware since 05/04/2001
Firm type
Limited Liability Company
Fiscal year end
December
Firm Size
Medium
# of Employees

FINRA licenses (52 States and Territories)

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

Documents

Customer Relationship Summary (CRS / FINRA)

Direct owners and executive officers

NamePositionCRD#
SEAPORT GLOBAL HOLDINGS LLCPARENT COMPANY
MEAGHER, MICHAEL JEFFERSONCEO1755168
MEYER, MICHAEL JOHNFIXED INCOME TRADING SUPERVISOR1746788
SMITH, STEPHEN CORCORANTREASURER1248750
WITTHAUT, MARKUS CLEMENSFINOP/CCO/CFO/PFO4480831

Disclosures

Regulatory Event3

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

SEAPORT GLOBAL SECURITIES LLC

CRD#: 116270Costa Mesa, CA 92626

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