Securities. Official summary of security transactions and holdings reported to Securities and Exchange Commission under securities exchange act of 1934 and public utility holding company act of 1935: pt. 1, Reports of officers, directors, and principal stockholders under securities exchange act of 1934, pt. 2, Reports of officers and directors of public utility holding companies registered under public utility holding company act of 1935; v. 4, no. 5 and 6, Mar. and Apr. 1938, Reports received Mar. 1-31, 1938.