DisclosureLens
UnknownFinancial ServicesFinanceIdentity (basic)Government IDHigh

AssetMark Trust Company

bd_e256387c33191b9f · schema v1 · pii pii-v1

Severity

High

Discovered

Apr 9, 2026

Filed

May 8, 2026

To disclose

29 days

Affected · nationwide

9,158359 in this filing

Confidence

95%
Full breach record for AssetMark Trust Company

AssetMark Trust Company based in Phoenix, Arizona, a financial services entity reported a data breach to the Texas Attorney General. The breach was discovered on 2026-04-09 and reported on 2026-05-08. 359 Texas residents were affected. 9,158 individuals affected in total. Types of information involved: Name of individual;Social Security Number Information. Consumers were notified via U.S. Mail.

Texas clock TX AG ≤30d29 days discovery → filing
AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 23 days
discovery → filing · ≤ 29 days

Mar 17, 2026

Begins

Apr 9, 2026

Discovered

May 8, 2026

Filed

vs. sector median

5 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed9,158 affectedView incident

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.