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RIA / WealthAdvisorCertified Financial Plannerdual registered (broker-dealer)28 years in industry

JON MICHAEL GLADSTONE

Advisor at MML INVESTORS SERVICES, LLC

Santa Barbara, CA | Westlake Village, CA

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Data as of Sep 15, 2026 (this record's last observation) from federal regulator filings. Page built Sep 20, 2026, 10:09 AM UTC and rebuilt at most every 15 minutes.

Relationships: 4
Dated events: 0
On other graphs: 0
Observed: Jun 18, 2001 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: 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: Apr 21, 1998earliest registration or exam on IAPD
Years in industry: 28derivedfrom the industry start date
Years at current firm: 9derivedfrom the current registration's begin date
Prior firms: 3
Current registrations: 1
Registered states: 2
Designations: Certified Financial Planner
Exams: S65|S63
First exam: Apr 21, 1998
First registration: Jun 18, 2001
Dual registered: yes, broker-dealer
Other names: JON GLADSTONE
IAPD individual key: 3041980

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	Westlake Village, CA\|Santa Barbara, CA	Current employment
MSI FINANCIAL SERVICES, INC.	Former SEC adviser	Jul 30, 2012	Mar 25, 2017	no	SHELTON, CT	Previous registration
MML INVESTORS SERVICES, LLC	Bd affiliated wealth	Feb 28, 2005	Jul 27, 2012	no	NORWALK, CT\|FAIRFIELD, CT\|STAMFORD, CT	Previous registration
SIGNATOR INVESTORS, INC.	Former SEC adviser	Jun 18, 2001	Mar 2, 2005	no	WESTPORT, CT	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
MML INVESTORS SERVICES, LLC	MSI FINANCIAL SERVICES, INC.	Jul 27, 2012	Jul 30, 2012	3	Firm change	Other
SIGNATOR INVESTORS, INC.	MML INVESTORS SERVICES, LLC	Mar 2, 2005	Feb 28, 2005	-2	Firm change	Other

Relationships

Registered with (3)

→ MML INVESTORS SERVICES, LLCRegistered adviserregistration: previous registration
Feb 28, 2005 to Jul 27, 2012factForm ADV
→ MSI FINANCIAL SERVICES, INC.Registered adviserregistration: previous registration
Jul 30, 2012 to Mar 25, 2017factForm ADV
→ SIGNATOR INVESTORS, INC.Registered adviserregistration: previous registration
Jun 18, 2001 to Mar 2, 2005factForm ADV

Dated events

No dated event names this entity yet.