The complaint centers on allegations that Peabody Energy executives issued overly optimistic statements while concealing material issues that delayed the ramp-up of the Centurion mine. These disclosures triggered two significant stock price drops. On March 30, 2026, the company slashed its first-quarter output guidance from 700,000 tons to 250,000 tons, citing commissioning challenges. Shares fell 9.7% that day, sliding from $39.50 to $35.68.

A second decline followed on May 5, 2026, after the company confirmed it had missed its March deadline for full longwall production at the site. This announcement forced a downward revision of full-year volume estimates and caused the stock to drop an additional 5.7%. The Gross Law Firm, which is representing the class, notes that participation in the suit carries no immediate cost for shareholders, who are encouraged to register their losses before the late-August deadline.