Mealey's (September 7, 2022, 1:23 PM EDT) -- WILMINGTON, Del. — A company and its CEO on Sept. 1 filed a letter brief in Delaware federal court contending that investors who sued them for alleged securities fraud related to the purchase of equity interests in a company that mines and sells sand specifically for use in hydraulic fracturing operations seek an allocation of damages that is inconsistent with the record in the case....