Sean David Spellman
Investment Adviser Representative at Assetmark, Inc.
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
Sean David Spellman is an investment adviser representative with Assetmark, Inc. in Haddon Township, NJ, where they have been registered since 2026. They have worked in the securities industry since 2003 and have been registered with 9 firms, including MML Investors Services, LLC and Lockwood Advisors Inc. They have passed 4 industry qualification exams, including the Series 65 (investment adviser), Series 7 (general securities representative), and Series 63 (state securities agent). They are registered to provide investment advice in New Jersey.
Registrations & licenses
- Investment adviser:
- New Jersey
- Broker:
1 state or territory
New Jersey
Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.
Financial-firm registration history
Registration history as reported to FINRA, most recent first.
Reported employment history
Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.
- Pershing LLCApr 2016 – Jan 2023Oakbrook Terrace, IL
- Lockwood Advisors IncApr 2016 – Jan 2023Pennington, NJ
- Pershing Advisor Solutions LLCMay 2022 – Jan 2023Oakbrook Terrace, IL
- MML Investors Services, LLCOct 2023 – Sep 2024New York, NY
- MassMutual Life Insurance CoOct 2023 – Sep 2024New York, NY
- UnemployedFeb 2023 – Oct 2023Haddon Township, NJ
- Zacks Investment ManagementOct 2024 – Nov 2025Chicago, IL
- AssetMark Brokerage, LLCMar 2026 – no end date reportedHaddon Township, NJ
- AssetMark Financial Holdings, IncFeb 2026 – no end date reportedHaddon Township, NJ
- AssetMark, IncFeb 2026 – no end date reportedHaddon Township, NJ
Official records & sources
Data as of June 21, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About Assetmark, Inc.
These details describe the firm overall. Individual advisors' services, clients, and fees may differ.
Fee arrangements the firm reports
- Percentage of assets under management
- Fixed fee
Arrangements the firm reports on its Form ADV; this advisor may not charge every fee listed. Estimated from the firm's Form ADV — individual terms may differ. Not a quote.
Services the firm offers
Marketing Advantage subscription service providing marketing tools and services for financial advisors, offered in partnership with FMG Suite
Client types the firm serves
Firm assets under management
$25B+
- Firm disclosures (Form ADV)
- Disciplinary history reportedVerify on SEC IAPD
- Advisors listed on AdvisorFinder:
- 221
- Offices listed on AdvisorFinder:
- 5
- Main office:
- Concord, CA
- SEC file number:
- 801-56323
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of September 14, 2026
View full firm profileOther advisors at Assetmark, Inc.
Showing 12 of 221 in the directory
Similar advisors in Haddon Township, NJ
Other advisors whose filed branch office is in the same city.
This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Sean David Spellman has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on BrokerCheck or SEC.gov before making any decision. AdvisorFinder may be compensated for referrals generated through this page.
BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.
Find the right advisor for you
Take the free 3-minute assessment to get matched with advisors who fit your goals.
Get Matched