Joseph O’Shea Barred By FINRA, Linked To Spartan Capital Investor’s Excessive Trading Complaint

FINRA barred securities broker Joseph Edward O’Shea Jr. (also known as Joseph Edward Oshea Jr.) [CRD: 2805483, New York, New York], and investors complaint about him, based on public information located on Financial Industry Regulatory Authority (FINRA) BrokerCheck. O’Shea worked for National Securities Corporation from July 21, 2009, to July 21, 2022, Arete Wealth Management LLC from July 21, 2022, to September 8, 2022, and Spartan Capital Securities LLC from September 2, 2022, to December 31, 2025. Investors are encouraged to continue reading to discover more about disclosures involving this securities broker.

FINRA Sanctioned O’Shea For Failure To Cooperate

Particularly, on December 31, 2025, the Financial Industry Regulatory Authority issued Case No. 2025084815601 sanctioning Joseph O’Shea. Specifically, O’Shea was barred from associating with any FINRA member firm in all capacities. FINRA alleged that O’Shea failed to comply with regulatory requests made under FINRA Rule 8210, which also constituted a violation of FINRA Rule 2010.

Details Of The FINRA Regulatory Action Against Joseph O’Shea

According to FINRA, the regulatory action stemmed from an investigation conducted while O’Shea was associated with Spartan Capital Securities LLC. FINRA requested testimony from O’Shea on December 1, 2025, in connection with a review of potential excessive trading in investor accounts. FINRA alleged that O’Shea acknowledged receiving the request but stated that he would not appear for testimony. As a result, FINRA concluded that O’Shea violated its rules governing cooperation with regulatory investigations and imposed a permanent bar through a Letter of Acceptance, Waiver, and Consent.

Spartan Capital Securities LLC Investor Accused O’Shea Of Excessive Trading And Excessive Commissions

Specifically, on February 5, 2024, a Spartan Capital Securities LLC client filed a complaint about Joseph O’Shea. Primarily, the client alleged that O’Shea engaged in excessive trading and charged excessive commissions. For this reason, the client allegedly experienced damages associated with options, stocks, and over-the-counter equities. Therefore, the client requested $50,000 in compensation from Spartan Capital Securities LLC or O’Shea. Complaint closed.

Joseph O’Shea Disclosed Margin Misuse Allegations By Carnegie Investor Services Inc. Client

Also, a client of Carnegie Investor Services Inc. contested Joseph O’Shea’s sales practices, according to a complaint dated July 12, 2000. Allegedly, O’Shea inappropriately used margin. It appears that O’Shea allegedly caused the client to experience damages linked to over-the-counter equities. As a result, the client sought compensation from Carnegie Investor Services Inc. or O’Shea in this matter.

Did You Sustain Losses Because Of Securities Broker / Financial Advisor O’Shea?

Are you concerned about investments you made through Joseph O’Shea? If so, reach out to Soreide Law Group online or at (888) 760-6552 to discuss a possible recovery of your investment losses with a securities attorney. Soreide Law Group represents investors nationwide, works on a contingency fee basis, and advances all case-related costs. O’Shea and the brokerage firms he worked for deny allegations of sales practice violations.