DisclosureLens
UnknownFinancial ServicesFinanceGovernment IDPHIHealth (basic)High

Markel Insurance Group, LLC

bd_09f9975787cc4a29 · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 18, 2026

Filed

Jul 7, 2026

To disclose

16 weeks

Affected · nationwide

4,220268 in this filing

Linked

3 filings

Confidence

95%
Full breach record for Markel Insurance Group, LLC →

Markel Insurance based in Glen Allen, Virginia, a insurance services entity reported a data breach to the Texas Attorney General. The breach was discovered on 2026-03-18 and reported on 2026-07-07. 268 Texas residents were affected. 4,220 individuals affected in total. Types of information involved: Social Security Number Information;Driver’s License number;Medical Information. Consumers were notified via U.S. Mail.

Texas clock✗ TX AG >30d16 weeks 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 · 1 days
discovery → filing · ≤ 16 weeks / 111 days

Mar 17, 2026

Begins

Mar 18, 2026

Discovered

Jul 7, 2026

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
California State AGJul 2 · first
Nebraska State AGJul 2 · first
Texas State AG+5d · this page

Pattern: first filing Jul 2 (CA), last Jul 7 (TX) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.