Where a party seeks remedy as a shareholder for oppressive action on the part of a corporation Section 12.56 of the Business Corporation Act of 1983 they must be a shareholder at the time the suit is initiated or they lack standing to sue under the Act.The 1st District Appellate Court affirmed the decision of then-Cook County Circuit Judge Franklin U. Valderrama and Cook County Associate Judge Allen Price Walker.On April 17, 1985, Maria Staisz, M.D. became a “participating provider” in the Resurrection Physicians Provider …