Mealey's (June 11, 2018, 7:38 AM EDT) -- CLEVELAND — An individual shareholder in a company that produces proppants for hydraulic fracturing operations, which is planning to merge with another proppant producer, on May 18 filed a brief in Ohio federal court seeking an order enjoining the shareholder vote until the companies disclose information that he claims was omitted from documents filed with the Securities and Exchange Commission (Melvyn Klein v. Fairmount Santrol Holdings Inc., et al., No. 18-1186, N.D. Ohio)....