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Personalis Data Breach Lawsuit Investigation
Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the Personalis, Inc. data breach.
If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.
About Personalis
Personalis is a biotechnology company based in Fremont, California. Founded in 2011, the company focuses on next-generation sequencing (NGS) technologies and molecular profiling platforms, primarily serving the healthcare, pharmaceutical and biotechnology industries.
Personalis employs approximately 230 people.
What Happened?
Personalis recently reported a data breach to the U.S. Department of Health and Human Services. The breach was disclosed on Feb. 4, 2026, and affected approximately 650 people in the United States.
While details about the breach are still emerging, sensitive information may have been compromised. The company operates in the biotechnology and healthcare sectors, which often involves handling highly confidential data.
The information impacted could include sensitive PII and PHI such as Social Security numbers, names, dates of birth, government IDs, financial account information, medical records, health insurance information, and more. As more details become available about the specific types of information exposed, this page will be updated.
You May Be Entitled to Compensation
If your information was compromised in the Personalis data breach, you may be entitled to compensation. Lawyers are investigating claims on behalf of affected individuals and are ready to help guide you through the process.
To find out if you qualify and to join the lawsuit, complete the below form.
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