Sean Thomas Henderson (CRD#6623208)

We help investors recover losses

If a customer makes a complaint regarding a broker, it must be reported to the appropriate regulatory bodies, ensuring that a record of the dispute is available to the public.

Halling & Cayo, S.C. is evaluating legal claims involving this financial advisor's conduct. We encourage customers who believe they may have a cause of action related to these investment recommendations to reach out to our securities lawyers.

Claim(s) Made Against Sean Thomas Henderson:

Claim Date: 4/29/2026

“Investor alleged that Mr. Henderson misrepresented characteristics of an investment product to the investor’s financial advisor at an unaffiliated firm, and the investor purchased the investment through his financial advisor based on this information. Mr. Henderson did not directly interact with the investor.”

This claim, as of this posting, is currently Denied with a claim amount of $219,617.00 .

See more information on FINRA’s BrokerCheck site for Sean Thomas Henderson.

Were you a client of Sean Thomas Henderson?

The investment recovery lawyers at Halling & Cayo S.C. bring claims on behalf of individual investors or groups of investors who have lost funds. Most of these customers have signed FINRA arbitration agreements that outline the process for resolving disputes, including claims for investment loss recovery. (See our discussion of FINRA in our video, Is FINRA a good thing?.) As the SEC advises, it is important to find an attorney who has experience handling securities complaints. If you were a customer of Sean Thomas Henderson and experienced investment losses, please get in touch with the Securities Lawyers. We only receive payment if we can recover your money. Please note that there may be time limits or statutes of limitations that apply to your claim, so it is important to contact an attorney as soon as possible.
Learn about potential claims for investment recovery, Types of Broker Misconduct and Fraud , or about the FINRA arbitration process, Guide to the FINRA Arbitration Process .

If you were a client of Sean Thomas Henderson and had lost money in your account that does not seem right, we are interested in discussing the possibility of pursuing a claim on your behalf. (The value of having a lawyer look at your claim is discussed more thoroughly in our video, Do I need a lawyer for my FINRA arbitration?.) Brokerage firms are responsible for overseeing the actions of their registered representatives and must ensure that their financial advisors comply with all relevant regulations and company policies. The brokerage firm may be held liable for any investment losses suffered by customers due to their failure to properly supervise their agents, such as Sean Thomas Henderson. The Securities Lawyers at Halling & Cayo, S.C. have helped investors recover millions of dollars in the past.


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Sean M. Sweeney is a shareholder at Halling and Cayo, a full service law firm in Milwaukee, WI and the head of its Securities Litigation team.

He represents individual and institutional investors in FINRA arbitration and court nationwide. He recovers investment losses from fraud or breach of duty from their broker-dealer.

Contact him at (414) 755-5020 or via e-mail at SMS@hallingcayo.com to see if he can help recover your funds.


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