Sean Joseph Obrien
Investment Adviser Representative at Citizens Securities, Inc.
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
Sean Joseph Obrien is an investment adviser representative with Citizens Securities, Inc. in No Quincy, MA, where they have been registered since 2023. They have worked in the securities industry since 1988 and have been registered with 3 firms, including LPL Financial LLC and Horace MANN Investors, Inc. They have passed 7 industry qualification exams, including the Series 65 (investment adviser), Series 7 (general securities representative), and Series 24 (general securities principal). They are registered to provide investment advice in Rhode Island and South Carolina.
Registrations & licenses
- Investment adviser:
- Rhode Island, South Carolina
- Broker:
3 states and territories
Massachusetts, Rhode Island, South Carolina
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.
- Metlife Securities IncMar 2009 – Mar 2017Westboro, MA
- MML Investors Services, LLCMar 2017 – May 2017South Easton, MA
- Horace Mann CompaniesMay 2017 – Oct 2020Springfield, IL
- Horace Mann Investors, IncMay 2017 – Oct 2020Springfield, IL
- LPL Financial LLCOct 2020 – Jan 2023Brockton, MA
- Webster BANKOct 2020 – Jan 2023Brockton, MA
- Citizens Securities, Inc.Jan 2023 – no end date reportedNorth Quincy, MA
Official records & sources
Data as of August 10, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About Citizens Securities, 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
- Firm account minimum
- $2,000
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
Client types the firm serves
Firm assets under management
$5B–$25B
- Firm disclosures (Form ADV)
- Disciplinary history reportedVerify on SEC IAPD
- Advisors listed on AdvisorFinder:
- 772
- Offices listed on AdvisorFinder:
- 26
- Main office:
- Johnston, RI
- SEC file number:
- 801-61902
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of September 3, 2026
View full firm profileOther advisors at Citizens Securities, Inc.
Showing 12 of 772 in the directory
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 Joseph Obrien 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.
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