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Amgen Inc.: data breach filings, state by state

Amgen Inc. has 10 data breach filings on record in 6 government portals. The latest was reported to Massachusetts OCABR on Aug 18, 2026, with 354 Massachusetts residents. Data exposed, as filed: Social Security number, Medical / health information, Driver's license / state ID, Passport number, Financial / bank account, Health insurance, Date of birth, Postal address, Email address.

7,092residents counted in 3 states (MA, TX, VT). Latest filing per state, last twelve months
39,594people in total, as reported to Texas AG on Aug 18, 2026
10filings in 6 government portals
Aug 18, 2026latest filing, Massachusetts OCABR

By portal

PortalFilingsLatest reportPeople in the latest filing
Massachusetts OCABR1Aug 18, 2026354 Massachusetts residents
Texas AG1Aug 18, 20266,714 Texas residents
Vermont AG1Aug 17, 202624 Vermont residents
California AG5Aug 17, 2026Not published
Delaware DOJ1May 30, 20248,491 Delaware residents
Oregon DOJ1Jun 22, 2021101,445 in total

Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.

Case file

Breach window
Jul 1, 2026
Discovered
Jul 2, 2026, as stated in the California letter
Offered to those affected
24 months of credit or identity monitoring through Experian
Third party named
Yes, the letter attributes the incident to a vendor or service provider
Days to notice
Past the statutory period in 2 of the 3 states that set one, counted from discovery to each state's first record
Prior incidents
3 earlier incidents on record for this organization

Open the case fileWord document

Every filing with the agency links, each state's record against its statutory period with the citation, what the letter offers, prior incidents. Letter facts are quoted so you can check them.

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Every filing

OrganizationSourceStateReportedResidents affectedData exposed
Amgen Inc. Massachusetts OCABR MA Aug 18, 2026 354 Social Security numberMedical / health information
Amgen Inc. Texas AG TX Aug 18, 2026 6,714 Social Security numberDriver's license / state IDPassport numberFinancial / bank account+5
Amgen Inc. Vermont AG VT Aug 17, 2026 24 Social Security numberMedical / health information
Amgen Inc. California AG CA Aug 17, 2026 Not published Medical / health informationHealth insuranceDate of birthEmail address+2
Amgen Inc. California AG CA Sep 25, 2024 Not published Social Security numberPassport numberFinancial / bank accountMedical / health information+5
Amgen Inc. California AG CA May 30, 2024 Not published Medical / health informationDate of birthPostal addressName
Amgen, Inc. Delaware DOJ DE May 30, 2024 8,491 Medical / health informationDate of birthPostal addressName
Amgen Inc. Oregon DOJ OR Jun 22, 2021 101,445 Not stated
Amgen Inc. California AG CA Jun 22, 2021 Not published Social Security numberFinancial / bank accountHealth insuranceEmail address
Amgen, Inc. California AG CA Jun 26, 2018 Not published Financial / bank accountPhone numberPostal addressName

Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.