AdvisorCheck - Find and Connect with Top Financial Advisors on Your Terms
Advisor Search
Why AdvisorCheck

We're Here To Help

AdvisorCheck empowers you to find, evaluate, and monitor financial advisors with confidence and clarity.

Advisor Monitoring

Financial advisor's situations can change, sometimes without notice. AdvisorCheck's Monitoring tool helps you avoid surprises and stay on top of your financial health.

Firm Stability Insights

The stability of your financial advisor's firm has a significant impact in the security and quality of service you receive. Our tool provides historical data and key insights over time to help you make informed, confident decisions.

Pricing
For Advisors
JC

John J. Callahan

VERTICAL RESEARCH SECURITIES
STAMFORD, CT 06901
Some features on this profile are disabled
CRD#: 4887331
JC

Professional summary

John J Callahan is a registered financial professional currently at VERTICAL RESEARCH SECURITIES, INC. located in Stamford, Connecticut.

John is registered as a RR (Registered Representative) and started their career in finance in 2005. John has worked at 6 firms and has passed the Series 63, Series 7TO, SIE and Series 7 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 J Callahan'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

January 27, 2026 - Present

VERTICAL RESEARCH SECURITIES, INC.

Office #1: 6 Landmark Square Suite 720, Stamford, CT 06901
BD
CRD#: 334696
STAMFORD, CT
Past

August 1, 2011 - October 12, 2011

TICONDEROGA SECURITIES LLC

BD
CRD#: 7671
BOSTON, MA
Past

June 16, 2010 - October 12, 2011

SOLEIL SECURITIES CORPORATION

BD
CRD#: 124737
BOSTON, MA
Past

May 23, 2006 - May 4, 2010

CITIZENS JMP SECURITIES, LLC

BD
CRD#: 22208
BOSTON, MA
Past

December 8, 2005 - May 22, 2006

KAUFMAN BROS., L.P.

BD
CRD#: 37909
NEEDHAM, MA
Past

January 25, 2005 - August 18, 2005

WELLS FARGO SECURITIES, LLC

BD
CRD#: 7665
SAN FRANCISCO, CA

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.

Visual representation of state registrations

This advisor is not registered in any state.

Exams

State Security Law Exam
RR
Series 63
Date: 8/26/2025
Uniform Securities Agent State Law Examination
General Industry/Product Exam
RR
Series 7TO
Date: 7/24/2025
General Securities Representative Examination
General Industry/Product Exam
RR
SIE
Date: 5/21/2025
Securities Industry Essentials Examination
General Industry/Product Exam
RR
Series 7
Date: 1/24/2005
General Securities Representative Examination
SRO Registrations
RR
FINRA

Current Firm

VR
VERTICAL RESEARCH SECURITIES, INC.
VERTICAL RESEARCH PARTNERS, LLC | VERTICAL RESEARCH SECURITIES, INC.

CRD#: 334696 / SEC#: , 8-71336

BD
Broker-Dealer Firm Regulated by FINRA (Boston district office)
Upgrade to AdvisorCheck Premium
Get A Biweekly Pulse, AutomaticallyReceive biweekly alerts automatically. Stay informed and proactive.
Catch Firm-Level Red Flags SoonerCatch leadership changes and disclosures early, before issues escalate.
See Trends. Not Just SnapshotsMonitor firm stability metrics like AUM and advisor ratios over time.

Contact information

Main Address
6 Landmark Square Suite 720, Stamford, CT 06901
Mailing Address
6 Landmark Square Suite 720, Stamford, CT 06901
Phone number
(203) 276-5671
Established
Connecticut since 02/10/2025
Firm type
Corporation
Fiscal year end
December
Firm Size
Small
# of Employees

Documents

Direct owners and executive officers

NamePositionCRD#
SPRAGUE, JEFFREY TODDPRESIDENT1655155
KIRSCHENBLATT, CHAD ETHANFINOP2503352
SULPIZIO, DAVID VINCENTCHIEF OPERATIONS OFFICER AND CHIEF COMPLIANCE OFFICER2273755

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

VERTICAL RESEARCH SECURITIES, INC.

CRD#: 334696Stamford, CT 06901

TRUST BUT VERIFY

Monitor John Callahan

Get automatic monthly alerts on:
Job or Firm Moves
Licensing Changes
Client Complaints
New Red Flags
Contact Information Updates

Similar Advisors

Frank Horace Moore III
Frank MooreAdvisorCheck Check Mark
UBS FINANCIAL SERVICES INC.
IAR
RR
Greenwich, CT
Brian Joseph Marchini
Brian MarchiniAdvisorCheck Check Mark
LPL ENTERPRISE, LLC
IAR
RR
White Plains, NY
Randy Brickman
Randy BrickmanAdvisorCheck Check Mark
PARK AVENUE SECURITIES LLC
IAR
RR
NORTH WOODMERE, NY
footer-logo
How We Help
Advisor Search
Find Advisors by State
Blog
Glossary
For Advisors
About Us
Help Center
Terms Of UsePrivacy PolicySubscription Policy
Help Center
AdvisorCheck does not offer investment advice and should not replace discussions with professional accounting, tax, legal or financial advisors.© 2026 AdvisorCheck, an AIMR Analytics company. All rights reserved.