Mark Sullivan (CRD 2531982) is a Bethlehem, Pennsylvania broker. FINRA suspended him from association with any member firm in all capacities for three months and assessed a deferred fine of $10,000, according to an AWC issued August 6, 2026.
Soreide Law Group has filed a FINRA arbitration on behalf of their clients (Claimants) against:
VANDERBILT SECURITIES, LLC (Respondent)
The Claimants are a married couple residing in New York. The lawsuit alleges that the Claimants are bringing this case to recover damages suffered due to the misconduct of VANDERBILT SECURITIES and their former financial advisor, EDWARD DOMINICK BIRDSALL (Edward Birdsall). Edward Birdsall is not named in this lawsuit.
The lawsuit alleges that the Respondent and Birdsall controlled the Claimants’ investment accounts, traded the Claimants’ accounts without authorization on a number of trades, and allegedly marked some of the unauthorized trades as unsolicited.
VANDERBILT SECURITIES and Birdsall allegedly made speculative investments in stocks such as Mankind, Arch Coal, Novacopper, Novagold, Groupon, and JC Penney to name a few. The lawsuit alleges that the Respondent and Edward Birdsall also made some investments in front load A share mutual funds. As a result of the Respondent’s alleged actions, the Claimants suffered damages of approximately $60,000 during a time when global markets enjoyed record returns.
The Claimants alleged damages against VANDERBILT SECURITIES in the amount of $60,000 plus interest, costs, attorneys’ fees.
The lawsuit alleges: negligence, breach of fiduciary duty and negligent supervision.
According to FINRA’s BrokerCheck, which is available to the public on FINRA’s website, Edward Birdsall has 5 disclosures on his FINRA Brokercheck CRD and is no longer registered. Birdsall was in the securities industry for 28 years and had been listed with 7 firms, the most recent listed below:
05/16/2007 - 06/02/2017 VANDERBILT SECURITIES, LLC - WOODBURY, NY
If you have experienced financial losses due to the recommendations or actions of VANDERBILT SECURITIES LLC and/or their former registered representative, Edward Birdsall, of Woodbury, New York, contact Soreide Law Group and speak to an experienced securities lawyer at no cost regarding the possible recovery of your investment losses through a FINRA arbitration at: 888-760-6552.
Soreide Law Group represents clients nationwide before FINRA. We operate on a contingency fee basis.
Mark Sullivan (CRD 2531982) is a Bethlehem, Pennsylvania broker. FINRA suspended him from association with any member firm in all capacities for three months and assessed a deferred fine of $10,000, according to an AWC issued August 6, 2026.
Moors & Cabot, Inc. (CRD 594) is a brokerage firm based in Boston, Massachusetts. FINRA censured and fined the firm $125,000 after finding it failed to develop and implement an anti-money laundering compliance program reasonably expected to detect and report suspicious transactions, according to an AWC issued August 24, 2026.
Cowen and Company, LLC (CRD 7616), now part of TD Securities (USA) LLC, is a brokerage firm based in New York, New York. FINRA censured and fined the firm a total of $80,000, of which $40,000 is payable to FINRA, according to an AWC issued August 19, 2026.
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