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AssetMark, Inc.: data breach filings, state by state

AssetMark, Inc. has 5 data breach filings on record in 5 government portals. The latest was reported to California AG on Jun 26, 2026. Data exposed, as filed: Financial / bank account, Usernames / passwords, Postal address, Social Security number.

46,530residents counted in 3 states (TX, MA, VT). Latest filing per state, last twelve months
570,000people in total, as reported to Texas AG on Jun 18, 2026
5filings in 5 government portals
Jun 26, 2026latest filing, California AG

By portal

PortalFilingsLatest reportPeople in the latest filing
California AG1Jun 26, 2026Not published
Texas AG1Jun 18, 202629,802 Texas residents
Massachusetts OCABR1Jun 12, 202615,085 Massachusetts residents
Oregon DOJ1Jun 11, 2026570,000 in total
Vermont AG1Jun 11, 20261,643 Vermont residents

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
May 15, 2026
Discovered
May 15, 2026, as stated in the California letter
Offered to those affected
24 months of credit or identity monitoring through Experian
Third party named
No
Days to notice
Past the statutory period in 1 of the 4 states that set one, counted from discovery to each state's first record

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.

The next state to file on AssetMark, Inc. reaches subscribers within the hour. With the count, the data exposed and the letter. The Team plan follows the companies and vendors you name in every state. Start a 14-day free trial.
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Every filing

OrganizationSourceStateReportedResidents affectedData exposed
AssetMark, Inc. California AG CA Jun 26, 2026 Not published Financial / bank accountUsernames / passwordsPostal addressName
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

Filings by other organizations that name AssetMark, Inc.

When a vendor is breached, its clients often file under their own names and mention the vendor.

OrganizationSourceStateReportedResidents affectedData exposed
AssetMark Trust Company Texas AG TX May 8, 2026 359 Social Security numberName

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.