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Regulator-posted notice

Breach notice filed by AssetMark Trust Company (May 2026)

Organization named: AssetMark Trust Company Provisional: identity as filed, not yet matched to the directory

What the sources say

Texas Attorney General data security breach reports Primary notice

Posted in the Texas Attorney General data security breach reports on May 8, 2026.

Organization as reported
AssetMark Trust Company, AZ
Entity type as reported
Financial Services
Information types as reported
Name of individual; Social Security Number Information
Incident dates as reported
March 17, 2026 to April 9, 2026
Discovery date as reported
April 9, 2026
Posted date
May 8, 2026
Observed by BreachRecords
2026-10-19 05:01 UTC (revision 43054, id:a49cs000004LPIrAAO:BR-0005022)
Archived copy
Held in the private archive (provenance)

The listing records a filing with the agency; it is not a finding by the agency.

Figures, per source

  • 9,158 individuals affected (total reported), according to the Texas Attorney General data security breach reports, source date May 8, 2026, revision observed 2026-10-19.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Posted date (Texas Attorney General data security breach reports)
  • Observed by BreachRecords (revision 43054)
  • Approved by a reviewer

Organizations linked by a reviewer

  • AssetMark Trust Company Named as the filer Provisional: identity as filed, not yet matched to the directory Linked 2026-11-03, method manual.

Archived evidence

  • b160db8630ef747e8648336bc49b257efedc7ec7dc4fb504f25036011567e416
    application/json, 573,109 bytes, retrieved from Texas Attorney General data security breach reports, 2026-10-19 05:01 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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