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Latest / California / June 2026

AssetMark, Inc.

AssetMark, Inc. notified California AG on Jun 26, 2026 of a data breach, which occurred on May 15, 2026. Data exposed: Financial / bank account, Usernames / passwords, Postal address, Name.

All 5 filings by AssetMark, Inc., state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
AssetMark, Inc.
Source
California AG · source record
Date reported
Jun 26, 2026
Date(s) of breach
Friday, May 15, 2026
Residents affected
Not published by this source
Data exposed
Financial / bank account Usernames / passwords Postal address Name
Notice letter
Sample notice (PDF)
Discovered
May 15, 2026, as stated in the letter
"On May 15, 2026, we became aware that an unauthorized user obtained access to and downloaded certain files containing customer information on the same day, and we swiftly took the steps described below."
Days to notice
42 days from discovery (May 15, 2026) to the California record (Jun 26, 2026). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter
24 months of credit or identity monitoring through Experian
First seen by BreachTally
2026-10-30 15:27 UTC

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

First seen by BreachTally at 15:27 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Other filings by AssetMark, Inc.

OrganizationSourceStateReportedResidents affectedData exposed
AssetMark, Inc. Texas AG TX Jun 18, 2026 29,802 Social Security numberName
AssetMark, Inc. Massachusetts OCABR MA Jun 12, 2026 15,085 Social Security numberFinancial / bank account
AssetMark, Inc. Oregon DOJ OR Jun 11, 2026 570,000 Not stated
AssetMark, Inc. Vermont AG VT Jun 11, 2026 1,643 Social Security number

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