May 23, 2026
There is a way to recover investment losses The Securities Lawyers at Halling & Cayo, S.C. are currently investigating potential claims on behalf of investors. If you suffered losses related to securities recommended by this individual, we are interested in discussing your options.
The brokerage industry reports any customer complaints made against or involving a broker on their publicly available Brokercheck Report. These reports are essential for transparency in the financial industry.
Claim(s) Made Against Martin Jankowski:
Claim Date: 5/23/2026
“Customer alleges unsuitable investment recommendation regarding managed account. Activity dates 7/8/2016 – 7/8/2016”
This claim, as of this posting, is currently Closed-No Action with a claim amount of $292,277.00 .
See more information on FINRA’s BrokerCheck site for Martin Jankowski .
Were you a client of Martin Jankowski?
If you are a current or former client of Martin Jankowski and J.P. MORGAN SECURITIES LLC from NEW YORK, NY, and have encountered any issues or problems with your account or investments, the Securities Lawyers at Halling & Cayo, S.C. want to speak with you about the possibility of pursuing a claim. Brokerage firms have a duty to oversee all of their registered representatives, including Martin Jankowski, and ensure that they follow all securities regulations, rules, and internal policies. If a brokerage firm fails in this duty, it may be held accountable for investment losses sustained by customers due to a lack of supervision. (More information in our video, When can you bring a claim against your financial advisor .)
The Securities Lawyers have recovered millions of dollars for investors across the United States and represent individuals and groups of investors who have suffered losses.These claims are typically resolved through FINRA Arbitration, as all brokerage firms embed binding arbitration clauses into their customer new account forms. (What is the disadvantage of FINRA arbitration ) If you were a customer of Martin Jankowski and J.P. MORGAN SECURITIES LLC and suffered investment losses, please contact the Securities Lawyers . We will only receive payment if we are able to recover your money, and you may be eligible for financial compensation. It’s important to note that there may be time limits or statutes of limitations that apply to your claim, so it’s crucial to speak with an attorney as soon as possible. Types of Broker Misconduct and Fraud , or about the FINRA arbitration process, Guide to the FINRA Arbitration Process .
Contact The Securities Lawyers
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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