Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES ☒ EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 - OR - TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES ☐ EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-37470 TransUnion (Exact name of registrant as specified in its charter) Delaware 61-1678417 (State or oth ...