SM
Sean M. Milligan
NEEDHAM & COMPANY
New York, NY 10177
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CRD#: 4974410
SM
Professional summary
Sean Michael Milligan is a registered financial professional currently at NEEDHAM & COMPANY, LLC located in New York, New York.
Sean is registered as a RR (Registered Representative) and started their career in finance in 2008. Sean has worked at 6 firms and has passed the Series 63, SIE, Series 87, Series 86 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.
CRS (Client Relationship Summary) - BD
Click below to view Sean Michael Milligan'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®
NoneExperience
Current
October 2, 2025 - Present
NEEDHAM & COMPANY, LLC
Office #1: 250 Park Avenue 10th Floor, New York, NY 10177RIA
BD
CRD#: 16360
New York, NY
Past
September 20, 2022 - September 16, 2025
JANNEY MONTGOMERY SCOTT LLC
BD
CRD#: 463
Mandeville, LA
Past
October 2, 2020 - May 23, 2022
WILLIAMS TRADING LLC
BD
CRD#: 43678
WESTPORT, CT
Past
July 22, 2019 - January 17, 2020
WILLIAMS TRADING LLC
BD
CRD#: 43678
WESTPORT, CT
Past
September 12, 2017 - September 5, 2018
JOHNSON RICE & COMPANY L.L.C.
BD
CRD#: 19524
NEW ORLEANS, LA
Past
May 27, 2015 - September 11, 2017
COKER & PALMER
BD
CRD#: 29163
New Orleans, LA
Past
February 27, 2013 - May 27, 2015
IBERIA CAPITAL PARTNERS L.L.C.
BD
CRD#: 152766
NEW ORLEANS, LA
Past
July 21, 2008 - February 19, 2013
JOHNSON RICE & COMPANY L.L.C.
BD
CRD#: 19524
NEW ORLEANS, LA
Primary Firm SEC Registration
This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".
N&
NEEDHAM & COMPANY, LLC
NEEDHAM & COMPANY, INC. | NEEDHAM & COMPANY, LLC
CRD#: 16360 / SEC#: 801-62735, 8-33772
RIA
Registered Investment Advisory firm - SEC (2/12/2004 Approved)BD
Broker-Dealer Firm Regulated by FINRA (New York district office)
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(10/2/2025)
RR
Louisiana(10/2/2025)
RR
New York(10/2/2025)
Exams
State Security Law Exam
General Industry/Product Exam
General Industry/Product Exam
General Industry/Product Exam
General Industry/Product Exam
SRO Registrations
RR
Cboe BYX Exchange, Inc.
SRO Registrations
RR
Cboe BZX Exchange, Inc.
SRO Registrations
RR
FINRA
SRO Registrations
RR
Investors' Exchange LLC
SRO Registrations
RR
NYSE Arca, Inc.
SRO Registrations
RR
Nasdaq Stock Market
Current Firm
N&
NEEDHAM & COMPANY, LLC
NEEDHAM & COMPANY, INC. | NEEDHAM & COMPANY, LLC
CRD#: 16360 / SEC#: 801-62735, 8-33772
RIA
Registered Investment Advisory firm - SEC (2/12/2004 Approved)BD
Broker-Dealer Firm Regulated by FINRA (New York district office)
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Contact information
Main Address
250 Park Avenue 10th Floor, New York, NY 10177
Mailing Address
250 Park Avenue 10th Floor, New York, NY 10177
Phone number
(212) 371-8300
Established
Delaware since 04/04/2005
Firm type
Limited Liability Company
Fiscal year end
December
Firm Size
Medium
# of Employees
185
SEC notice filing (14 States and Territories)
FINRA licenses (53 States and Territories)
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| NEEDHAM HOLDINGS, LLC | MEMBER | |
| IACOVONE, JACK JAMES | MANAGING DIRECTOR, CEO & HEAD OF INVESTMENT BANKING | 2877398 |
| PRIOR, JOHN JOSEPH JR | MANAGING DIRECTOR, CEO OF THE NEEDHAM GROUP, INC. | 1076802 |
| ABBRUZZESE, JAMES MICHAEL | MANAGING DIRECTOR, CHIEF ADMINISTRATIVE OFFICER & ACTING HEAD OF SALES | 2960715 |
| FIORDALISO, ROBERT JOSEPH | MANAGING DIRECTOR, CHIEF FINANCIAL OFFICER | 2518397 |
| LAUFER, DAVID MICHAEL | MANAGING DIRECTOR, HEAD OF TRADING & SALES TRADING | 4336854 |
| MALIK, ANDREW JOSEPH | MANAGING DIRECTOR, CHAIRMAN | 317860 |
| MALLOY, JOHN PATRICK | MANAGING DIRECTOR, CO-DIRECTOR OF RESEARCH | 5322002 |
| MALONEY, THOMAS ANTHONY | MANAGING DIRECTOR, CO-DIRECTOR OF RESEARCH | 2386331 |
| MERLINO, SALVATORE ANTHONY | MANAGING DIRECTOR, CHIEF COMPLIANCE OFFICER | 4397078 |
Disclosures
| Regulatory Event | 27 |
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.
