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RIA / WealthAdvisordual registered (broker-dealer)20 years in industry

WILLIAM JOSEPH O'BRIEN

Advisor at WELLS FARGO ADVISORS

MONROE TOWNSHIP, NJ | OAKHURST, NJ

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Search this name across graphsid dfx:ria:13e05e1b-960a-c55a-186e-e1d39bd9ae52

Data as of Sep 15, 2026 (this record's last observation) from federal regulator filings. Page built Sep 20, 2026, 8:58 AM UTC and rebuilt at most every 15 minutes.

Relationships: 5
Dated events: 2
On other graphs: 0
Observed: Dec 12, 2018 to Sep 15, 2026

Across DFX

This entity has not been resolved onto another DFX graph by a shared identifier. A name match elsewhere would be a candidate, never an identity, and none is recorded.

Facts

fact = as filed or announced; derived = computed by DFX; estimate = a band, never a point

Current firm: WELLS FARGO ADVISORS
Current firm class: wirehousederived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Sep 1, 2006earliest registration or exam on IAPD
Years in industry: 20derivedfrom the industry start date
Years at current firm: 0derivedfrom the current registration's begin date
Prior firms: 4
Current registrations: 1
Registered states: 1
Exams: S63|S66
First exam: Nov 17, 2008
First registration: Dec 12, 2018
Dual registered: yes, broker-dealer
Other names: WILLIAM J O'BRIEN|WILLIAM JOSEPH O'BRIEN|WILLIAM OBRIEN|WILLIAM JOSEPH OBRIEN|WILLIAM O'BRIEN|BILL JOSEPH O'BRIEN
IAPD individual key: 5604485

Registration history

registration spans on IAPD; the basis says whether the span is a current registration or a prior employment record

Firm	Class	Began	Ended	Current	Branch	Basis
WELLS FARGO ADVISORS	Wirehouse	Jan 9, 2026	n/a	yes	MONROE TOWNSHIP, NJ\|OAKHURST, NJ	Current employment
LPL ENTERPRISE, LLC	Bd affiliated wealth	Nov 14, 2024	Dec 19, 2025	no	HOLMDEL, NJ	Previous registration
PRUCO SECURITIES, LLC	No RAUM reported	Jul 20, 2023	Nov 14, 2024	no	EAST BRUNSWICK, NJ	Previous registration
SECURIAN FINANCIAL SERVICES, INC.	Former SEC adviser	Oct 16, 2020	Jul 21, 2023	no	WALL, NJ	Previous registration
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED	Wirehouse	Dec 12, 2018	Oct 24, 2019	no	EATONTOWN, NJ\|NEW YORK, NY\|LAKEWOOD, NJ\|HAZLET, NJ\|RED BANK, NJ\|Eatontown, NJ\|ISELIN, NJ	Previous registration

Moves

a move is two registration dates; a bulk corporate re-registration is typed BULK_TRANSFER and is not a move

From	To	Left	Joined	Gap, days	Kind	Move type
LPL ENTERPRISE, LLC	WELLS FARGO ADVISORS	Dec 19, 2025	Jan 9, 2026	21	Firm change	Ibd to wirehouse
PRUCO SECURITIES, LLC	LPL ENTERPRISE, LLC	Nov 14, 2024	Nov 14, 2024	0	Bulk transfer	Ibd to new firm
SECURIAN FINANCIAL SERVICES, INC.	PRUCO SECURITIES, LLC	Jul 21, 2023	Jul 20, 2023	-1	Firm change	RIA to ibd
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED	SECURIAN FINANCIAL SERVICES, INC.	Oct 24, 2019	Oct 16, 2020	358	Firm change	Wirehouse to ibd

Relationships

Registered with (5)

→ WELLS FARGO ADVISORSRegistered adviserregistration: current employment
Jan 9, 2026 to presentfactForm ADV
→ LPL ENTERPRISE, LLCRegistered adviserregistration: previous registration
Nov 14, 2024 to Dec 19, 2025factForm ADV
→ PRUCO SECURITIES, LLCRegistered adviserregistration: previous registration
Jul 20, 2023 to Nov 14, 2024factForm ADV
→ SECURIAN FINANCIAL SERVICES, INC.Registered adviserregistration: previous registration
Oct 16, 2020 to Jul 21, 2023factForm ADV
→ MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATEDRegistered adviserregistration: previous registration
Dec 12, 2018 to Oct 24, 2019factForm ADV

Dated events

Occurred
Dec 19, 2025
Advisor changed firm
William Joseph O'Brien left Lpl Enterprise, Llc for Wells Fargo Advisors (registered 2026-01-09)
Form ADVobserved 5 days ago
Occurred
Jul 21, 2023
Advisor changed firm
William Joseph O'Brien left Securian Financial Services, Inc. for Pruco Securities, Llc (registered 2023-07-20)
Form ADVobserved 5 days ago