Introduction to the Boston Scientific Class Action Lawsuit

  • Captioned Troike v. Boston Scientific Corporation, No. 26-cv-40075 (D. Mass.), the Boston Scientific class action lawsuit charges Boston Scientific and certain of Boston Scientific’s top executives with violations of the Securities Exchange Act of 1934.

Read on for answers to the eight most frequently asked questions from investors.

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1. What Do I Need to Know about the Boston Scientific Class Action Lawsuit?

2. How Does the Boston Scientific Class Action Lawsuit Work?

  • A lawsuit is initiated by one or more investors, called the “lead plaintiffs,” on behalf of a larger group of investors, or the “class”.
  • The “class period” is defined as the specific timeframe during which the alleged fraudulent activity took place. Only those who bought or sold the security during this period are eligible to participate.
  • The case is litigated, which may include a lengthy discovery phase for gathering evidence.

3. What Do Plaintiffs Have to Prove in the Boston Scientific Class Action Lawsuit?

To succeed in a federal securities fraud class action, plaintiffs must prove several elements:

  • Reliance: The plaintiff relied on the misstatement or omission when buying or selling the security. For publicly traded securities, this can be proven through the “fraud-on-the-market” theory, which presumes the market price reflects all public, material information.

4. What Are the Allegations in the Boston Scientific Class Action Lawsuit?

Boston Scientific develops, manufactures, and markets medical devices for use in various interventional medical specialties worldwide.

The Boston Scientific class action lawsuit alleges that defendants throughout the Class Period made false and/or misleading statements and/or failed to disclose that:

  • Defendants created the false impression that they possessed reliable information pertaining to Boston Scientific’s projected revenue outlook and anticipated growth while also minimizing risk from seasonality and macroeconomic fluctuations; and
  • Boston Scientific’s ambition of continuing “to grow our share in the overall EP market” to maintain a growth trajectory at “2x the market” had fallen short of reality because Boston Scientific had begun to experience new competition entrants that were sapping Boston Scientific’s U.S. Electrophysiology market share and thus limiting its growth potential.

The Boston Scientific class action lawsuit further alleges that in February 4, 2026, Boston Scientific announced fourth quarter and full year 2025 financial results, disclosing that:

  • In the fourth quarter 2025, Boston Scientific reported “GAAP net income attributable to Boston Scientific common stockholders of $672 million or $0.45 per share (EPS), compared to $566 million or $0.38 per share a year ago, and achieved adjusted EPS of $0.80 for the period, compared to $0.70 a year ago”;
  • Boston scientific “reported GAAP net income attributable to Boston Scientific common stockholders of $2.898 billion or $1.94 per share, compared to $1.853 billion or $1.25 per share a year ago, and delivered full year adjusted EPS of $3.06, compared to $2.51 a year ago”; and
  • Boston Scientific “[r]eported GAAP net income attributable to Boston Scientific common stockholders of $0.45 per share, compared to the company’s guidance range of $0.48 to $0.52 per share.”

On this news, the price of Boston Scientific common stock fell more than 17%, according to the Boston Scientific class action lawsuit.

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5. What Rights to Investors Have in the Boston Scientific class action lawsuit?

Investors affected by the Boston Scientific class action lawsuit possess specific rights that they can exercise. Understanding these rights is vital for anyone considering involvement in the Boston Scientific class action lawsuit.

Right to Information

Right to Participate

Right to Legal Representation

  • Legal professionals can provide guidance and support throughout the process.

6. What Damages Am I Entitled To in the Boston Scientific class action lawsuit?