Rep. Cisneros Buys AtriCure Shares

Democratic Congressman adds to holdings in medical device company

Apr. 11, 2026 at 12:10am

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An extreme close-up of the complex internal components of a medical device, with a focus on the technical precision and engineering behind the product, conveying the innovation and sophistication of AtriCure's cardiac treatment solutions.A close-up view of the advanced mechanics behind AtriCure's innovative cardiac ablation devices, which are used to treat atrial fibrillation.Mason Today

Representative Gilbert Ray Cisneros, Jr. (D-CA) recently purchased between $1,001 and $15,000 worth of shares in AtriCure, Inc. (NASDAQ:ATRC), a medical device company focused on treatments for atrial fibrillation. The trade was disclosed in an April 7th filing and occurred in Cisneros' '150 MAIN STREET TRUST > BANK OF AMERICA' account on March 3rd.

Why it matters

As a member of Congress, Cisneros' financial transactions are subject to public disclosure. This purchase adds to his existing holdings in AtriCure, a company that produces surgical ablation devices used to treat atrial fibrillation, a common heart rhythm disorder.

The details

AtriCure's product portfolio centers on its Synergy Surgical Ablation System, which delivers controlled radiofrequency energy, and the cryoICE Cryoablation System, which uses freezing techniques. The company is headquartered in Mason, Ohio.

  • Cisneros disclosed the stock purchase on April 7, 2026.
  • The trade occurred on March 3, 2026.

The players

Representative Gilbert Ray Cisneros, Jr.

A Democratic member of the U.S. House of Representatives from California's 31st Congressional District. Cisneros is running for re-election in 2026.

AtriCure, Inc.

A medical device company focused on treatments for atrial fibrillation, headquartered in Mason, Ohio.

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What’s next

Cisneros will continue to serve in the U.S. House, and AtriCure will continue to develop and market its medical devices.

The takeaway

This purchase highlights the financial interests of a sitting member of Congress and the ongoing work of a medical device company focused on innovative treatments for a common heart condition.