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

GARY BRITTON UNDERBRINK

Advisor at MML INVESTORS SERVICES, LLC

Corpus Christi, TX

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Search this name across graphsid dfx:ria:80809442-cd69-9cfc-cc60-49bec1d5e51f

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 9:49 AM UTC and rebuilt at most every 15 minutes.

Relationships: 4
Dated events: 0
On other graphs: 0
Observed: Jul 10, 2006 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: MML INVESTORS SERVICES, 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: Jun 2, 2006earliest registration or exam on IAPD
Years in industry: 20derivedfrom the industry start date
Years at current firm: 9derivedfrom the current registration's begin date
Prior firms: 3
Current registrations: 1
Registered states: 1
Exams: S66
First exam: Jun 2, 2006
First registration: Jul 10, 2006
Dual registered: yes, broker-dealer
IAPD individual key: 5072415

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
MML INVESTORS SERVICES, LLC	Bd affiliated wealth	Mar 25, 2017	n/a	yes	Corpus Christi, TX	Current employment
MSI FINANCIAL SERVICES, INC.	Former SEC adviser	Nov 2, 2015	Mar 25, 2017	no	Corpus Christi, TX\|SAN ANTONIO, TX	Previous registration
NEXT FINANCIAL GROUP, INC.	Former SEC adviser	Oct 22, 2009	Nov 2, 2015	no	CORPUS CHRISTI, TX	Previous registration
WELLS FARGO ADVISORS	Wirehouse	Jul 10, 2006	Oct 8, 2009	no	CORPUS CHRISTI, TX\|CORPUS CHRISTI, TX	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
MSI FINANCIAL SERVICES, INC.	MML INVESTORS SERVICES, LLC	Mar 25, 2017	Mar 25, 2017	0	Bulk transfer	Other
NEXT FINANCIAL GROUP, INC.	MSI FINANCIAL SERVICES, INC.	Nov 2, 2015	Nov 2, 2015	0	Firm change	Other
WELLS FARGO ADVISORS	NEXT FINANCIAL GROUP, INC.	Oct 8, 2009	Oct 22, 2009	14	Firm change	Other

Relationships

Registered with (4)

→ MML INVESTORS SERVICES, LLCRegistered adviserregistration: current employment
Mar 25, 2017 to presentfactForm ADV
→ MSI FINANCIAL SERVICES, INC.Registered adviserregistration: previous registration
Nov 2, 2015 to Mar 25, 2017factForm ADV
→ NEXT FINANCIAL GROUP, INC.Registered adviserregistration: previous registration
Oct 22, 2009 to Nov 2, 2015factForm ADV
→ WELLS FARGO ADVISORSRegistered adviserregistration: previous registration
Jul 10, 2006 to Oct 8, 2009factForm ADV

Dated events

No dated event names this entity yet.