DisclosureLens
UnknownManufacturingMedium

CHEMICAL SERVICES GROUP, INC.

bd_73c263e1f4efee60 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Mar 24, 2026

To disclose

Affected · nationwide

4,52033 in this filing

Linked

4 filings

Confidence

95%
Full breach record for CHEMICAL SERVICES GROUP, INC.

Chemical Services Group Inc reported a data breach to the Indiana Attorney General. The breach occurred on 2025-04-11 and was reported on 2026-03-24. 33 Indiana residents were affected. 4,520 individuals affected in total.

Incident timeline

Apr 11, 2025

Begins

Mar 24, 2026

Filed

This filing is one of 4 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 AGMar 24 · first
Indiana State AGMar 24 · first · this page

Pattern: first filing Mar 24 (MA), last Mar 30 (NH) — a 6-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.