DisclosureLens
UnknownOtherIdentity (basic)Government IDHigh

Topstep LLC

bd_03fab57c09efae72 · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 5, 2025

Filed

Dec 22, 2025

To disclose

17 days

Affected · nationwide

1,920222 in this filing

Linked

5 filings

Confidence

95%
Full breach record for Topstep LLC2 incidents on file

Topstep LLC based in Chicago, Illinois, a other entity reported a data breach to the Texas Attorney General. The breach was discovered on 2025-12-05 and reported on 2025-12-22. 222 Texas residents were affected. 1,920 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Other. Consumers were notified via U.S. Mail.

Incident timeline

undetected · 9 days
discovery → filing · ≤ 17 days

Nov 26, 2025

Begins

Dec 5, 2025

Discovered

Dec 22, 2025

Filed

vs. sector median

6 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 3 states

View merged incident ↗
Nebraska State AGDec 22 · first
Massachusetts State AGDec 22 · first
Texas State AGDec 22 · first · this page

Pattern: first filing Dec 22 (NE), last Dec 30 (NE) — a 8-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.