Table of Contents For the quarterly period ended March 31, 2026 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission File No. 000-20827 ____________________ CASS INFORMATION SYSTEMS, INC. (Exact name of registrant as specified in its charter) Missouri 43-1265338 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 ___________________________ FORM 10-Q x QUARTERLY REPORT PURSUANT TO SE ...