Puma Biotechnology, Inc.

Puma Biotechnology, Inc. notified California AG on May 17, 2023 of a data breach, which occurred on Jun 19, 2022. Data exposed: Postal address, Name.

Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Puma Biotechnology, Inc.
Source: California AG · source record
Date reported: May 17, 2023
Date(s) of breach: Friday, April 22, 2022Sunday, June 19, 2022
Residents affected: Not published by this source
Data exposed: Postal address Name
Notice letter: Sample notice (PDF)
Discovered: Jun 27, 2022, as stated in the letter
"On June 27, 2022, the investigation determined that certain files on Puma’s systems were subject to unauthorized access and/or acquisition."
Days to notice: 324 days from discovery (Jun 27, 2022) to the California record (May 17, 2023). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter: credit or identity monitoring through Experian
Third party: The letter attributes the incident to a vendor or service provider
First seen by BreachTally: 2026-10-30 15:58 UTC

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

Not today? Take the free Monday digest: the week's filings by state and the largest by people affected. Once a week.

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