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David S Proskin

ONE VANDERBILT SECURITIES
New York, NY
·CRD# 5062532·1 year experience

Professional Summary

David S Proskin, who also goes by David Samuel Proskin, is a registered financial advisor currently at ONE VANDERBILT SECURITIES LLC located in New York, New York and STONELIVING SECURITIES, LLC located in Miami Beach, Florida. David is registered as a RR (Registered Representative) and started their career in finance in 2025. David has worked at 6 firms and has passed the Series 99TO, SIE and Series 27 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

David Samuel Proskin

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

1 years in the financial services industry

Current & Past Employments

ONE VANDERBILT SECURITIES LLC·CRD# 332860
BD
1 Vanderbilt Ave 65th Floor, New York, NY 10017
October 31, 2025 - Present
STONELIVING SECURITIES, LLC·CRD# 153565
BD
1680 Michigan Avenue Suite 700, Miami Beach, FL 33139
April 2, 2026 - Present
MARATHON TRADING GROUP LLC·CRD# 165584
BD
100 Matsonford Road, Building 4, Suite 255, Wayne, PA 19087
April 17, 2026 - Present
SERENDIPITY SECURITIES LLC·CRD# 333010
BD
1. 7000 W Palmetto Park Road Suite 503, Boca Raton, FL 334332. 7000 W Palmetto Park Road Suite 503, Boca Raton, FL 33433
June 25, 2026 - Present
COGNITIVE CAPITAL, LLC·CRD# 131272
BD
141 W Jackson # 1620, Chicago, IL 60604
August 31, 2026 - Present
KNG SECURITIES USA INC·CRD# 335822
BD
Partial 21st Floor 650 Fifth Avenue, New York, NY 10019
October 1, 2026 - Present

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Current Firm

KS
KNG SECURITIES USA INC

KNG SECURITIES USA INC

CRD#: 335822 / SEC#: 8-71358
BD
Broker-Dealer Firm Regulated by FINRA (New York district office)

Contact Information

Main Address

Partial 21st Floor 650 Fifth Avenue, New York, NY 10019

Mailing Address

Partial 21st Floor 650 Fifth Avenue, New York, NY 10019

Phone Number

(212) 897-1691

Established

Delaware since 03/26/2025

Firm Type

Corporation

Fiscal Year End

March

Firm Size

Small

FINRA licenses (18 States and Territories)

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

Documents

Direct owners and executive officers

NamePositionCRD#
KNG GLOBAL MARKETS LTDDIRECT OWNER—
BAUCOM, ROBERT BLAKECHIEF EXECUTIVE OFFICER4305610
GRAY, BENJAMIN NMNCHIEF COMPLIANCE OFFICER1946982
PUGLISI, JOSEPH JOHNFINOP7779592

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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.

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State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.
This advisor is not registered in any state.

Exams

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

Series 99TO — Operations Professional Examination

Passed Apr 2026About the Series 99TO exam

SIE — Securities Industry Essentials Examination

Passed Apr 2026About the SIE exam

Series 27 — Financial and Operations Principal Examination

Passed Apr 2025About the Series 27 exam
Cboe BZX Exchange, Inc.
SRO Registrations
Cboe Exchange, Inc.
SRO Registrations
FINRA
SRO Registrations
FINRA
SRO Registrations

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CRS (Client Relationship Summary) - BD

Click below to view David S Proskin's CRS (Customer Relationship Summary).

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