Latest / California / May 2024

Regeneron Pharmaceuticals, Inc.

Regeneron Pharmaceuticals, Inc. notified California AG on May 22, 2024 of a data breach, which occurred on Feb 21, 2024. Data exposed: Medical / health information, Date of birth, Postal address, Name.

Organization
Regeneron Pharmaceuticals, Inc.
Source
California AG · source record
Date reported
May 22, 2024
Date(s) of breach
Wednesday, February 21, 2024
Residents affected
Not published by this source
Data exposed
Medical / health information Date of birth Postal address Name
Notice letter
Sample notice (PDF)
First seen by BreachTally
2026-10-30 15:40 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

Other filings by Regeneron Pharmaceuticals, Inc.

OrganizationSourceStateReportedResidents affectedData exposed
Regeneron Pharmaceuticals, Inc. Delaware DOJ DE May 22, 2024 6,367 Medical / health informationDate of birthPostal addressName
First seen by BreachTally at 15:40 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the data types and the letter. Start a 14-day free trial.

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.