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RIA / WealthAdvisor18 years in industry

DAVID JOHN GUIDO

Advisor at SUMMIT FINANCIAL, LLC

Ashburn, VA

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Search this name across graphsid dfx:ria:f1093f6e-13d6-144c-eef0-47aa75a2a295

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 20, 2026, 7:09 AM UTC and rebuilt at most every 15 minutes.

Relationships: 8
Dated events: 1
On other graphs: 0
Observed: Oct 4, 2007 to Sep 14, 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: SUMMIT FINANCIAL, LLC
Current firm class: broker-dealer affiliated wealth managerderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Oct 2, 2007earliest registration or exam on IAPD
Years in industry: 18derivedfrom the industry start date
Years at current firm: 2derivedfrom the current registration's begin date
Prior firms: 7
Current registrations: 1
Registered states: 1
Exams: S66
First exam: Oct 2, 2007
First registration: Oct 4, 2007
Dual registered: no
IAPD individual key: 5394617

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
SUMMIT FINANCIAL, LLC	Bd affiliated wealth	Sep 21, 2023	n/a	yes	Ashburn, VA	Current employment
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	Bd affiliated wealth	Jun 16, 2015	Sep 27, 2023	no	LANSDOWNE, VA	Previous registration
MSI FINANCIAL SERVICES, INC.	Former SEC adviser	May 16, 2014	Dec 4, 2014	no	FALLS CHURCH, VA	Previous registration
OSAIC FA, INC.	Former SEC adviser	Dec 20, 2012	May 16, 2014	no	VIENNA, VA	Previous registration
MML INVESTORS SERVICES, LLC	Bd affiliated wealth	Nov 1, 2011	Nov 5, 2012	no	McLean, VA	Previous registration
PARK AVENUE SECURITIES LLC	Bd affiliated wealth	Jul 28, 2009	Jan 20, 2011	no	RESTON, VA	Previous registration
UNITED BROKERAGE SERVICES INC	Bd affiliated wealth	Jun 30, 2008	Mar 20, 2009	no	FAIRFAX, VA\|MCLEAN, VA\|MANASSAS, VA\|VIENNA, VA\|ANNANDALE, VA\|ALEXANDRIA, VA\|DUMFRIES, VA	Previous registration
MORGAN STANLEY & CO. LLC	n/a	Oct 4, 2007	Apr 2, 2008	no	VIENNA, VA	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
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	SUMMIT FINANCIAL, LLC	Sep 27, 2023	Sep 21, 2023	-6	Firm change	Ibd to ibd
MSI FINANCIAL SERVICES, INC.	CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	Dec 4, 2014	Jun 16, 2015	194	Firm change	Other
OSAIC FA, INC.	MSI FINANCIAL SERVICES, INC.	May 16, 2014	May 16, 2014	0	Firm change	Other
MML INVESTORS SERVICES, LLC	OSAIC FA, INC.	Nov 5, 2012	Dec 20, 2012	45	Firm change	Other
PARK AVENUE SECURITIES LLC	MML INVESTORS SERVICES, LLC	Jan 20, 2011	Nov 1, 2011	285	Firm change	Other
UNITED BROKERAGE SERVICES INC	PARK AVENUE SECURITIES LLC	Mar 20, 2009	Jul 28, 2009	130	Firm change	Other
MORGAN STANLEY & CO. LLC	UNITED BROKERAGE SERVICES INC	Apr 2, 2008	Jun 30, 2008	89	Firm change	Other

Relationships

Registered with (8)

→ SUMMIT FINANCIAL, LLCRegistered adviserregistration: current employment
Sep 21, 2023 to presentfactForm ADV
→ CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.Registered adviserregistration: previous registration
Jun 16, 2015 to Sep 27, 2023factForm ADV
→ MSI FINANCIAL SERVICES, INC.Registered adviserregistration: previous registration
May 16, 2014 to Dec 4, 2014factForm ADV
→ OSAIC FA, INC.Registered adviserregistration: previous registration
Dec 20, 2012 to May 16, 2014factForm ADV
→ MML INVESTORS SERVICES, LLCRegistered adviserregistration: previous registration
Nov 1, 2011 to Nov 5, 2012factForm ADV
→ PARK AVENUE SECURITIES LLCRegistered adviserregistration: previous registration
Jul 28, 2009 to Jan 20, 2011factForm ADV
→ UNITED BROKERAGE SERVICES INCRegistered adviserregistration: previous registration
Jun 30, 2008 to Mar 20, 2009factForm ADV
→ MORGAN STANLEY & CO. LLCRegistered adviserregistration: previous registration
Oct 4, 2007 to Apr 2, 2008factForm ADV

Dated events

Occurred
Sep 27, 2023
Advisor changed firm
David John Guido left Cambridge Investment Research Advisors, Inc. for Summit Financial, Llc (registered 2023-09-21)
Form ADVobserved 5 days ago