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Investigation OpenIN AG filing · January 15, 2026

Chatham Asset Management Investigates December 2025 Data Incident

Chatham Asset Management LLC reported a data incident to regulators on January 15, 2026, stemming from an event on December 8, 2025. The company is currently investigating this security breach, which may have exposed personal information. Affected individuals should take general precautions while the investigation proceeds.

State
IN
Breach date
December 8, 2025
Reported
January 15, 2026

Chatham Asset Management LLC, a firm based in Indiana, has acknowledged a data security incident that occurred on December 8, 2025. The company formally reported this event to regulators on January 15, 2026, indicating an ongoing investigation into its scope and impact.

Public filings from the company do not specify the exact categories of information involved in this incident. Therefore, any potentially exposed data should be referred to generally as "personal information" or "the information involved" that Chatham Asset Management handles.

The firm is actively working to understand the full nature and extent of the December 8, 2025, security event. The investigation aims to determine precisely what happened and which specific data might have been compromised as a result of the incident.

Individuals who may be affected by this incident are advised to monitor their personal accounts and statements for any unusual activity. It is always a good practice to review credit reports regularly and consider placing a fraud alert or security freeze if there is concern about potential identity compromise.

This documentation is based on information provided in public filings with regulatory bodies. DataBreachCaseFile.com reports these facts as presented, without speculation or legal interpretation.

Source: IN Attorney General filing

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