DisclosureLens
UnknownMedium

Williams Brothers Construction

bd_43ab1e9013ecc616 · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Aug 19, 2026

To disclose

—

Affected · nationwide

21,9136 in this filing

Linked

4 filings

Confidence

95%
Full breach record for Williams Brothers Construction →

Williams Brothers Construction Co Inc reported a data breach to the Indiana Attorney General. The breach occurred on 2026-01-10 and was reported on 2026-08-19. 6 Indiana residents were affected. 21,913 individuals affected in total.

Incident timeline

Jan 10, 2026

Begins

Aug 19, 2026

Filed

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Massachusetts State AGAug 1 · first
New Hampshire State AG+18d
Indiana State AG+18d · this page
Texas State AG+20d

Pattern: first filing Aug 1 (MA), last Aug 21 (TX) — a 20-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.