John Alex (CRD: 2020710) settled customer disputes at Morgan Stanley and UBS Financial Services between 2011 and 2025, according to BrokerCheck, which lists him as John L. Alex.

Investment loss recovery counsel at Soreide Law Group provides this update on securities broker Mark Julius Potocsny (CRD#: 2417184, Cheshire, Connecticut), who discloses information about investor disputes on Financial Industry Regulatory Authority (FINRA) BrokerCheck. Particularly, Potocsny, who worked for securities firms Morgan Stanley (his employer from 2014 to 2021) and AG Edwards (his former employer), discloses allegations of unauthorized trading. So, let’s take a closer look at what is reported on BrokerCheck. However, bear in mind that the securities broker denies committing inappropriate sales practices.
Evidently, the firm terminated Mark Potocsny as a securities broker on April 14, 2021 for alleged unauthorized trading. Supposedly, Potocsny traded without speaking with clients on days of trades.
It seems that a Morgan Stanley client alleged Mark Potocsny’s unauthorized trading as a securities broker. Evidently, the client filed the dispute on November 4, 2020 concerning Potocsny's trading from 2019 to 2020. Supposedly, the client experienced damages on corporate bonds, municipal bonds, and stocks. However, BrokerCheck shows that on January 11, 2021, the securities firm denied the client’s dispute.
It appears that an AG Edwards Sons client took issue with Mark Potocsny’s actions as a securities broker, according to a dispute. Mainly, the client alleges that Potocsny’s unauthorized trading led to damages in connection with the client’s investments in mutual funds, bonds, and stocks. Evidently, AG Edwards Sons agreed to settle with the client, without admitting liability, by paying $9,900 in damages per a settlement.
Did you realize losses because of securities broker Mark Potocsny? You can touch base with Soreide Law Group at (888) 760-6552 to speak with a skilled securities attorney for guidance. Soreide Law Group represents clients on a contingency fee arrangement and advances all costs. The firm has recovered substantial compensation for US investors who have sustained losses from securities brokers or financial advisors. Please note that Potocsny denies the allegations of his unreasonable sales practices.

John Alex (CRD: 2020710) settled customer disputes at Morgan Stanley and UBS Financial Services between 2011 and 2025, according to BrokerCheck, which lists him as John L. Alex.
Sam Bhushan (CRD: 4884717) is named in several pending customer complaints and one settled dispute, according to his BrokerCheck report.
Sterling Louviere (CRD: 2021328), listed on BrokerCheck as Sterling Vaughn Louviere, is named in a pending customer claim over Reg D private placements, with Cabin Securities as the firm named.
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