WILLIAM BERNARD TUNINK (WILLIAM B TUNINK, BILL TUNINK) has been barred from acting as a broker or otherwise associating with a broker/dealer firm by FINRA. The bar starts on 6/16/2026. WILLIAM B TUNINK was registered with LPL FINANCIAL LLC of West Des Moines, Iowa from 10/29/2021 - 09/23/2025.
According to the FINRA report, WILLIAM B TUNINK was permanently barred by FINRA following the allegations, “Respondent Tunink failed to respond to FINRA requests for information.” The Regulator Statement added, “Pursuant to FINRA Rule 9552(h) and in accordance with FINRA's Notice of Suspension and Suspension from Association letters dated March 13, 2026 and April 6, 2026, respectively, on June 16, 2026, Tunink is barred from association with any FINRA member in all capacities. Moreover, Tunink failed to request termination of his suspension within three months of the date of the Notice of Suspension. Therefore, he is automatically barred from association with any FINRA member in all capacities.”
According to FINRA’s BrokerCheck, available to the public on FINRA’s website, WILLIAM B TUNINK was registered in the securities industry for 29 years. He was listed with 2 firms. Tunink has 26 disclosures on his FINRA CRD report. Of the 26 disclosures, 24 are “Customer Disputes.” The significance of Tunink’s complaints is underscored in FINRA NOTICE to MEMBERS 03-49. FINRA conducted a review of the CRD’s of all registered representatives. Only .41% had been the subject of 3 or more customer complaints. In other words, WILLIAM B TUNINK’s 24 customer complaints rank him in the top one-hundredth percent of all registered representatives for customer complaints. All the “Customer Disputes” are dated 2025 or 2026.
Most of the disputes filed against WILLIAM B TUNINK involved him allegedly borrowing money from clients. Several of the allegations were, “Advisor borrowed funds from customer for investment opportunity away from the Firm.”
On 9/8/2025, WILLIAM B TUNINK, according to BrokerCheck, was discharged from LPL FINANCIAL LLC following the allegations of, “Failed to disclose and receive prior approval for loans from customers; and settled a customer complaint away from the Firm.”
Soreide Law Group posted the following blog post on 12/6/25:
William Tunink Faced LPL Financial Investor Complaint About Breach Of Contract - Securities Lawyer
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