Amgen Inc. disclosed a data breach on July 31, 2026, through an SEC 8-K filing. The company reported that attackers stole patient health information and proprietary company data from cloud systems operated by third-party service providers. The specific number of affected individuals has not yet been publicly disclosed, nor have the states affected been identified in the available reports. The incident involved medical data and other company information, but the exposure of SSNs or financial account data has not been confirmed. Details surrounding the breach, including the full scope of affected individuals and any potential regulatory actions, may emerge as the investigation progresses. Official breach notification letters have not been publicly posted beyond the SEC filing.