Ademi LLP investigates Fiserv for breach of fiduciary duties
Ademi LLP is investigating Fiserv for potential breach of fiduciary duties following the resignation of CEO Michael P. Lyons on June 15, 2026. The firm is examining whether the board has fulfilled its obligations to shareholders amid recent lawsuits and announcements.

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Ademi LLP is investigating potential breach of fiduciary duty claims against Fiserv. The investigation focuses on whether the board of Fiserv has breached its fiduciary duties to shareholders. This scrutiny follows recent announcements and lawsuits involving the company.
On June 15, 2026, Fiserv announced that its CEO and board member Michael P. Lyons was resigning effective immediately. Ademi LLP's inquiry results from this announcement and subsequent legal actions. The law firm specializes in securities fraud and shareholder litigation.
Shareholders affected by these developments are invited to participate in the investigation. Ademi LLP has provided contact details for those seeking additional information or wishing to join the proceedings. There is no cost or obligation to participate.
| Entity | Role |
|---|---|
| Ademi LLP | Investigating Firm |
| Fiserv | Company Under Investigation |
| Michael P. Lyons | Former CEO and Board Member |
The investigation aims to determine if the board's actions have harmed shareholder value. Ademi LLP emphasizes that prior results do not guarantee similar outcomes in this matter.
What specific factors led to the immediate resignation of CEO Michael P. Lyons?
How might this investigation impact Fiserv's stock performance in the coming quarters?
Will the board undergo restructuring or leadership changes as a result of the scrutiny?



























