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RIA / WealthAdvisordual registered (broker-dealer)23 years in industry

MARK DOUGLAS MENSACK

Advisor at OSAIC WEALTH, INC.

REHOBOTH BEACH, DE

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Search this name across graphsid dfx:ria:ce4d3098-8a42-b852-c461-a93b7852679b

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 12:13 AM UTC and rebuilt at most every 15 minutes.

Relationships: 9
Dated events: 0
On other graphs: 0
Observed: Nov 27, 2002 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: OSAIC WEALTH, INC.
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: Nov 25, 2002earliest registration or exam on IAPD
Years in industry: 23derivedfrom the industry start date
Years at current firm: 2derivedfrom the current registration's begin date
Prior firms: 8
Current registrations: 1
Registered states: 3
Exams: S65|S63
First exam: Nov 25, 2002
First registration: Nov 27, 2002
Dual registered: yes, broker-dealer
Other names: MARK MENSACK
IAPD individual key: 2639903

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
OSAIC WEALTH, INC.	Bd affiliated wealth	Jun 14, 2024	n/a	yes	REHOBOTH BEACH, DE	Current employment
SECURITIES AMERICA ADVISORS, INC.	Former SEC adviser	Sep 18, 2020	Jun 14, 2024	no	MALVERN, PA\|ARDMORE, PA\|REHOBOTH BEACH, DE	Previous registration
SSN ADVISORY, INC.	Former SEC adviser	Jul 11, 2018	Sep 18, 2020	no	Malvem, PA	Previous registration
FSC SECURITIES CORPORATION	Former SEC adviser	Aug 13, 2014	Jul 16, 2018	no	MARLTON, NJ\|MARLTON, NJ	Previous registration
PIEDMONT INVESTMENT ADVISORS, LLC	Former SEC adviser	Nov 13, 2009	Aug 18, 2014	no	LANSDOWNE, VA	Previous registration
MORGAN STANLEY	Wirehouse	Jun 1, 2009	Nov 12, 2009	no	MT. LAUREL, NJ	Previous registration
MORGAN STANLEY & CO. LLC	n/a	Aug 29, 2008	Jun 1, 2009	no	MT. LAUREL, NJ	Previous registration
JANNEY MONTGOMERY SCOTT LLC	Bd affiliated wealth	Feb 18, 2005	Sep 10, 2008	no	MARLTON, NJ\|MARLTON, NJ	Previous registration
LEGG MASON WOOD WALKER, INCORPORATED	n/a	Nov 27, 2002	Aug 7, 2003	no	MARLTON, 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
SECURITIES AMERICA ADVISORS, INC.	OSAIC WEALTH, INC.	Jun 14, 2024	Jun 14, 2024	0	Bulk transfer	Ibd to ibd
SSN ADVISORY, INC.	SECURITIES AMERICA ADVISORS, INC.	Sep 18, 2020	Sep 18, 2020	0	Bulk transfer	Ibd to ibd
FSC SECURITIES CORPORATION	SSN ADVISORY, INC.	Jul 16, 2018	Jul 11, 2018	-5	Firm change	Ibd to ibd
PIEDMONT INVESTMENT ADVISORS, LLC	FSC SECURITIES CORPORATION	Aug 18, 2014	Aug 13, 2014	-5	Firm change	Other
MORGAN STANLEY	PIEDMONT INVESTMENT ADVISORS, LLC	Nov 12, 2009	Nov 13, 2009	1	Firm change	Other
MORGAN STANLEY & CO. LLC	MORGAN STANLEY	Jun 1, 2009	Jun 1, 2009	0	Bulk transfer	Other
JANNEY MONTGOMERY SCOTT LLC	MORGAN STANLEY & CO. LLC	Sep 10, 2008	Aug 29, 2008	-12	Firm change	Other
LEGG MASON WOOD WALKER, INCORPORATED	JANNEY MONTGOMERY SCOTT LLC	Aug 7, 2003	Feb 18, 2005	561	Firm change after gap	Other

Relationships

Registered with (9)

→ OSAIC WEALTH, INC.Registered adviserregistration: current employment
Jun 14, 2024 to presentfactForm ADV
→ SECURITIES AMERICA ADVISORS, INC.Registered adviserregistration: previous registration
Sep 18, 2020 to Jun 14, 2024factForm ADV
→ SSN ADVISORY, INC.Registered adviserregistration: previous registration
Jul 11, 2018 to Sep 18, 2020factForm ADV
→ FSC SECURITIES CORPORATIONRegistered adviserregistration: previous registration
Aug 13, 2014 to Jul 16, 2018factForm ADV
→ PIEDMONT INVESTMENT ADVISORS, LLCRegistered adviserregistration: previous registration
Nov 13, 2009 to Aug 18, 2014factForm ADV
→ MORGAN STANLEYRegistered adviserregistration: previous registration
Jun 1, 2009 to Nov 12, 2009factForm ADV
→ MORGAN STANLEY & CO. LLCRegistered adviserregistration: previous registration
Aug 29, 2008 to Jun 1, 2009factForm ADV
→ JANNEY MONTGOMERY SCOTT LLCRegistered adviserregistration: previous registration
Feb 18, 2005 to Sep 10, 2008factForm ADV
→ LEGG MASON WOOD WALKER, INCORPORATEDRegistered adviserregistration: previous registration
Nov 27, 2002 to Aug 7, 2003factForm ADV

Dated events

No dated event names this entity yet.