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Regulator-posted notice

Breach notice filed by AssetMark, Inc. (June 2026)

Organization named: AssetMark, Inc. 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 June 18, 2026.

Organization as reported
AssetMark, Inc., CA
Entity type as reported
Financial Services
Information types as reported
Name of individual; Social Security Number Information
Incident dates as reported
May 15, 2026 to May 15, 2026
Discovery date as reported
May 15, 2026
Posted date
June 18, 2026
Observed by BreachRecords
2026-10-19 05:01 UTC (revision 43129, id:a49cs000004sGlRAAU:BR-0005113)
Archived copy
Held in the private archive (provenance)

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

Delaware Data Security Breach Database (data.delaware.gov dir6-wx8v) Duplicate filing

Listed in the Delaware Data Security Breach Database with a notice date of June 11, 2026.

Organization as reported
AssetMark, LLC.
Information types as reported
SSN
Incident dates as reported
May 15, 2026
Discovery date as reported
May 15, 2026
Notice date
June 11, 2026
Observed by BreachRecords
2026-10-19 04:58 UTC (revision 28866, row:225)
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

  • 570,000 individuals affected (total reported), according to the Delaware Data Security Breach Database, source date June 11, 2026, revision observed 2026-10-19.
  • 570,000 individuals affected (total reported), according to the Texas Attorney General data security breach reports, source date June 18, 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.

  • Notice date (Delaware Data Security Breach Database)
  • Posted date (Texas Attorney General data security breach reports)
  • Observed by BreachRecords (revision 43129)
  • Observed by BreachRecords (revision 28866)
  • Approved by a reviewer

Organizations linked by a reviewer

  • AssetMark, Inc. 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
  • db1f795b34839e756316077c5bc8c4af363da46537e8ed9d502c75c355a0e45c
    text/csv, 135,151 bytes, retrieved from Delaware Data Security Breach Database, 2026-10-19 04:58 UTC. Archived privately · Provenance · Source page

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

Request a correction

A record that disagrees with its source, names the wrong organization or duplicates another is corrected after review. This form is about Breach notice filed by AssetMark, Inc. (June 2026). We acknowledge every request within two business days. We reply by email.

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